Michael R Waters
Datos Biográficos
| ID | 3618750 |
|---|---|
| NOMBRE | Michael R Waters |
| NOMBRES | Michael R |
| APELLIDO | Waters |
| FIRMA | WATERS M R |
| AFILIACIONES | Texas A&M University |
| ORCID | 0000-0001-5070-2244 |
| VERIFICADO | Sí |
| TOTAL DE OBRAS | 62 |
| TOTAL DE CITAS | 453 |
| TOTAL COMO AUTOR | 62 |
| TOTAL COMO EDITOR | 0 |
| PRIMER AÑO DE PUBLICACIÓN | 1983 |
| AÑO MÁS RECIENTE DE PUBLICACIÓN | 2022 |
| ÍNDICE H | 12 |
Principles of Geoarchaeology
Using 3D Models to Understand the Changing Role of Fluting in Paleoindian Point Technology from Clovis to Dalton
Fluting is a technological and morphological hallmark of some of the most iconic North American Paleoindian stone points. Through decades of detailed artifact analyses and replication experiments, archaeologists have spent considerable effort reconstructing how flute removals were achieved, and they have explored possible explanations of why fluting was such an important aspect of early point technologies. However, the end of fluting has been les…
The Stemmed Point Tradition of Western North America
In April 2018, the Center for the Study of the First Americans, Hakai Institute, and University of Victoria co-sponsored a five-day workshop investigating the origins of Western Stemmed technologies and their relationship with other Paleoindian and Paleolithic technocomplexes of far western North America, Beringia, and northeast Asia. This Perspective introduces the proceedings of the workshop, which are presented as a series of longer essays in …
Fladmark + 40
Forty years ago, Knut Fladmark (1979) argued that the Pacific Coast offered a viable alternative to the ice-free corridor model for the initial peopling of the Americas-one of the first to support a 'coastal migration theory' that remained marginal for decades. Today, the pre-Clovis occupation at the Monte Verde site is widely accepted, several other pre-Clovis sites are well documented, investigations of terminal Pleistocene subaerial and submer…
Recent excavations at Owl Ridge, interior Alaska
The early archaeological record of Beringia is complicated by the occurrence of several lithic industries. Site assemblages, dating from 14,000 to 12,800 years ago and located from the Yana‐Indigirka Lowlands of Siberia to the upper Tanana River basin, contain artifacts characteristic of the Nenana technological complex. After 12,800 years ago, site assemblages contain artifacts diagnostic of the Denali technocomplex. To explain the variation in …
Pre-Clovis occupation 14,550 years ago at the Page-Ladson site, Florida, and the peopling of the Americas
Page-Ladson, Florida, provides evidence of the oldest human occupation in the North American Gulf Coastal Plain at 14,550 B.P.
Optically Stimulated Luminescence Dating and the Peopling of the Americas
The measurement of time is a critical parameter in archaeology and particularly in evaluating the timing of the peopling of the Americas. New geochronometers, like optically stimulated luminescence
Genomic evidence for the Pleistocene and recent population history of Native Americans
Genetic history of Native Americans Several theories have been put forth as to the origin and timing of when Native American ancestors entered the Americas. To clarify this controversy, Raghavan et al. examined the genomic variation among ancient and modern individuals from Asia and the Americas. There is no evidence for multiple waves of entry or recurrent gene flow with Asians in northern populations. The earliest migrations occurred no earlier…
Exploring late Paleoindian and early Archaic unfluted lanceolate point classification in the Southern Plains
During the late Paleoindian and early Archaic periods, the Southern Plains witnessed a diversification in unfluted lanceolate point styles. The classification of these points into distinct and meaningful typological groups continues to play a fundamental role in building an understanding of cultural changes at the end of the last Ice Age. In this study, we analyze a sample of points from the Hogeye site, Texas to explore unfluted lanceolate point…
Redating Fell's Cave, Chile and the Chronological Placement of the Fishtail Projectile Point
Fell's Cave lies near the Magellan Straits of South America's Southern Cone. This was the first site to provide evidence of a late Pleistocene occupation of South America, and it is the site where the Fishtail projectile point type was defined. Previous radiocarbon ages from Fell's Cave on charcoal samples from three hearths in the late Pleistocene artifact-bearing levels yielded dates ranging from ca. 11,000 to 10,100 radiocarbon years before pr…
The genome of a Late Pleistocene human from a Clovis burial site in western Montana
Pre-Clovis Lithic Technology at the Debra L. Friedkin Site, Texas
Humans first left Siberia and colonized the Americas perhaps around 16,000 years ago, and the Clovis archaeological complex in North America has traditionally been linked to this migratory pulse. Archaeologists searching for evidence of Clovis technological antecedents have focused their attention on the Beringian and Siberian archaeological records. Growing evidence for the pre-Clovis occupation of North America provides a possible alternative s…
Redating the Mill Iron Site, Montana
The Paleoindian Goshen complex occurs in the northern Plains and eastern Rocky Mountains. Since its identification, there has been much discussion about the chronological placement of the Goshen complex. This is especially true because diagnostic Goshen projectile points occur stratigraphically below Folsom artifacts at two sites, and early dates from the Mill Iron site, Montana, and the Hell Gap site, Wyoming, have suggested that this point type…
Analysis of Site Formation History and Potential Disturbance of Stratigraphic Context in Vertisols at the Debra L. Friedkin Archaeological Site in Central Texas, USA
Archaeological sites within physically “active” soils, such as Vertisols, are considered suspect by archaeologists because of concern for possible disturbance of stratigraphic context. Pedology, micromorphology, and geochemistry are tools useful for assessing soil mixing. Clay‐rich floodplain soils (Typic Haplusterts) were examined at the Debra L. Friedkin archaeological site along Buttermilk Creek in southwestern Bell County, Texas, USA. The soi…
Serpentine Hot Springs, Alaska
Late Archaic wells on the Gila River Indian Community, Arizona
Holocene eolian activation as a proxy for broad-scale landscape change on the Gila River Indian Community, Arizona
Eolian sediments are common within the middle Gila River Valley, southern Arizona, and reflect variability in eolian and fluvial processes during the late Holocene. This study focuses on deciphering the stratigraphic record of eolian deposition and associated luminescence dating of quartz extracts by single aliquot regeneration (SAR) protocols. Stratigraphic assessment coupled with luminescence ages indicates that there are four broad eolian depo…
The Buttermilk Creek Complex and the Origins of Clovis at the Debra L. Friedkin Site, Texas
A large artifact assemblage dating to 15,000 years ago lies beneath a Clovis assemblage in central Texas.
Pre-Clovis Mastodon Hunting 13,800 Years Ago at the Manis Site, Washington
Further dating of the Manis site shows that people were hunting mastodons in North America by 14,000 years ago.
Clovis Lithic Technology
Some 13,000 years ago, humans were drawn repeatedly to a small valley in what is now Central Texas, near the banks of Buttermilk Creek. These early hunter-gatherers camped, collected stone, and shaped it into a variety of tools they needed to hunt game, process food, and subsist in the Texas wilderness. Their toolkit included bifaces, blades, and deadly spear points. Where they worked, they left thousands of pieces of debris, which have allowed a…
New dates from Ushki-1, Kamchatka, confirm 13,000 cal BP age for earliest Paleolithic occupation
Geoarchaeological investigations at the Topper and Big Pine Tree sites, Allendale County, South Carolina
Clovis and the American Mastodon at Big Bone Lick, Kentucky
Contemporaneity of people and the American mastodon (Mammut americanum) at Big Bone Lick, Kentucky, has been extensively debated for more than two hundred years. Newly interpreted stratigraphic excavations and direct AMS 14C measurements on mastodon bones from Big Bone Lick, Kentucky, indicate that the megafauna are a palimpsest of fossils spanning at least 1,200 calendar years (11,020 ± 30 to 12,210 ± 35 RC yr B.P.). The radiocarbon evidence ind…
The Age of the Paleoindian Assemblage at Sheriden Cave, Ohio
Direct dating of a Paleoindian bone point from Sheriden Cave, Ohio, yielded a radiocarbon age of 10,915 ± 30 14C yr B.P. (UCIAMS-38249). This date was derived on highly purified bone collagen. This bone point was found in association with another bone projectile point and a reworked, fluted Clovis projectile point. The artifacts from Sheriden Cave fall within the age range of other Clovis sites in North America, dating to the late Allerød, before…
The Late Pleistocene Dispersal of Modern Humans in the Americas
When did humans colonize the Americas? From where did they come and what routes did they take? These questions have gripped scientists for decades, but until recently answers have proven difficult to find. Current genetic evidence implies dispersal from a single Siberian population toward the Bering Land Bridge no earlier than about 30,000 years ago (and possibly after 22,000 years ago), then migration from Beringia to the Americas sometime after…
The Geoarchaeology of Place
Because the landscape on which prehistoric people lived was dynamic and continually changed, the record of prehistoric activities across the landscape has been differentially preserved and destroyed. Insightful reconstructions of human organizational (settlement) systems from the archaeological record require a full understanding of the geological forces and history that have shaped that record. The landscape histories of the North Dakota Badland…
Pre-Clovis Lithic Technology at the Debra L. Friedkin Site, Texas
Humans first left Siberia and colonized the Americas perhaps around 16,000 years ago, and the Clovis archaeological complex in North America has traditionally been linked to this migratory pulse. Archaeologists searching for evidence of Clovis technological antecedents have focused their attention on the Beringian and Siberian archaeological records. Growing evidence for the pre-Clovis occupation of North America provides a possible alternative s…
Landscape Change and the Cultural Evolution of the Hohokam along the Middle Gila River and Other River Valleys in South-Central Arizona
Changes in river floodplain morphology can have devastating consequences for irrigation agriculturalists. Channel erosion occurred in the late nineteenth century, on the flood plain of the middle Gila River, Arizona and severely impacted the native Akimel O' odham (Pima) farmers. Prior to the Akimel O' odham, the prehistoric Hohokam also pursued irrigation agriculture along this river. Geoarchaeological investigations of the Gila River flood plai…
Studenoe-2 and the origins of microblade technologies in the Transbaikal, Siberia
Analysis and dating of new Upper Palaeolithic sites suggest that microblades emerged in the Transbaikal after 18,000 years ago. These findings encourage review of earlier assertions that such technologies developed in northeast Asia prior to the last glacial maximum
Fladmark + 40
Forty years ago, Knut Fladmark (1979) argued that the Pacific Coast offered a viable alternative to the ice-free corridor model for the initial peopling of the Americas-one of the first to support a 'coastal migration theory' that remained marginal for decades. Today, the pre-Clovis occupation at the Monte Verde site is widely accepted, several other pre-Clovis sites are well documented, investigations of terminal Pleistocene subaerial and submer…
New dates from Ushki-1, Kamchatka, confirm 13,000 cal BP age for earliest Paleolithic occupation
The Age of the Paleoindian Assemblage at Sheriden Cave, Ohio
Direct dating of a Paleoindian bone point from Sheriden Cave, Ohio, yielded a radiocarbon age of 10,915 ± 30 14C yr B.P. (UCIAMS-38249). This date was derived on highly purified bone collagen. This bone point was found in association with another bone projectile point and a reworked, fluted Clovis projectile point. The artifacts from Sheriden Cave fall within the age range of other Clovis sites in North America, dating to the late Allerød, before…
Principles of Geoarchaeology
Serpentine Hot Springs, Alaska
Village Drift and Riverine Settlement
Regular unscheduled movements of rancherías within a confined area or settlement district result in the phenomenon described as "village drift," a process whereby a settlement may change its location gradually by several kilometers over a period of years. This article presents a model of village drift based on data acquired from recent archaeological and geomorphological field studies and archival research on the Akimel O'odham, the Gila River Pi…
The Geoarchaeology of Gullies and Arroyos in Southern Arizona
Many of the major rivers and streams in the arid and semiarid American Southwest can be classified as gullies and arroyos. The history of deposition, stability, and erosion of gully and arroyo environments has had a profound influence on the archaeological record contained within valley and bajada (piedmont) alluvium. The temporal and spatial sample of archaeological sites in southern Arizona is as much a reflection of geological processes as it …
Masterov Kliuch and the Early Upper Palaeolithic of the Transbaikal, Siberia
In 1996, archaeological excavations were conducted at the Masterov Kliuch site, located east of Lake Baikal, Siberia. Three archaeological components were uncovered, all occurring in colluvial deposits. The two lower components (I and II) are Palaeolithic in age and character. Component I is an early Upper Palaeolithic industry dated to 32,500-30,000 years ago (B.P.), and is in a primary context. Component II is undated but is also assignable to …
Geoarchaeology and Archaeological Site Patterning on the Middle Gila River, Arizona
Archaeological surveys and prehistoric settlement patterns are best interpreted when placed on a geomorphic map that defines the distribution and age of physical landforms. Survey data can thus be used to address questions of archaeological site visibility and synchronic and diachronic site patterning on the Gila River Indian Reservation, Arizona. A chronological series of alluvial and eolian landforms are defined on the reservation. The age of t…
Using 3D Models to Understand the Changing Role of Fluting in Paleoindian Point Technology from Clovis to Dalton
Fluting is a technological and morphological hallmark of some of the most iconic North American Paleoindian stone points. Through decades of detailed artifact analyses and replication experiments, archaeologists have spent considerable effort reconstructing how flute removals were achieved, and they have explored possible explanations of why fluting was such an important aspect of early point technologies. However, the end of fluting has been les…
The impact of fluvial processes and landscape evolution on archaeological sites and settlement patterns along the San Xavier reach of the Santa Cruz River, Arizona
The Santa Cruz arroyo in the Tucson Basin, Arizona, has undergone major environmental changes over the last 8000 years. the Holocene stratigraphy along a 15 km segment of the arroyo, known as the San Xavier reach, which traverses the San Xavier Indian Reservation was investigated in detail. the Holocene alluvial sequence reveals that aggradation occurred until 8000 yr B.P. within a braided stream, was followed by a major period of channel erosion…
Redating Fell's Cave, Chile and the Chronological Placement of the Fishtail Projectile Point
Fell's Cave lies near the Magellan Straits of South America's Southern Cone. This was the first site to provide evidence of a late Pleistocene occupation of South America, and it is the site where the Fishtail projectile point type was defined. Previous radiocarbon ages from Fell's Cave on charcoal samples from three hearths in the late Pleistocene artifact-bearing levels yielded dates ranging from ca. 11,000 to 10,100 radiocarbon years before pr…
Redating the Mill Iron Site, Montana
The Paleoindian Goshen complex occurs in the northern Plains and eastern Rocky Mountains. Since its identification, there has been much discussion about the chronological placement of the Goshen complex. This is especially true because diagnostic Goshen projectile points occur stratigraphically below Folsom artifacts at two sites, and early dates from the Mill Iron site, Montana, and the Hell Gap site, Wyoming, have suggested that this point type…
Geomorphic analysis of Hohokam settlement patterns on alluvial fans along the western Flank of the Tortolita Mountains, Arizona
Geoarchaeological investigations of the alluvial piedmont or bajada emanating from the Tortolita Mountains, Arizona, show that the distribution of Hohokam sites apparent from the surface is complete and undisturbed by geological processes. Late Holocene geomorphic processes and their resultant deposits on the bajada affected the location of prehistoric Hohokam agricultural settlements. Hohokam settlements were commonly situated on small alluvial …
Geoarchaeological investigations at the Topper and Big Pine Tree sites, Allendale County, South Carolina
Geoarchaeological investigations at Studenoe, an Upper Paleolithic site in the Transbaikal Region, Russia
In 1998, geoarchaeological research was carried out at the Upper Paleolithic site of Studenoe in the Transbaikal Region of Russia. The site is divided into three loci situated on two terraces overlooking the Chikoi River. Alluvial sediments beneath the oldest terrace (T 2 ) consist of two depositional units. Radiocarbon ages indicate that aggradation of the T 2 fill began before 18,000 yr B.P. Alluvial sediments beneath the lower terrace (T 1 ) r…
Sulphur Springs Woman
Sulphur Springs Woman, an early human burial, was recovered from alluvial deposits dated between 8,200 and 10,000 years before the present in Whitewater Draw, southeastern Arizona. These are the oldest human remains from the Southwest and are some of the oldest in North America. These bones provide data on the earliest inhabitants of the New World
Recent excavations at Owl Ridge, interior Alaska
The early archaeological record of Beringia is complicated by the occurrence of several lithic industries. Site assemblages, dating from 14,000 to 12,800 years ago and located from the Yana‐Indigirka Lowlands of Siberia to the upper Tanana River basin, contain artifacts characteristic of the Nenana technological complex. After 12,800 years ago, site assemblages contain artifacts diagnostic of the Denali technocomplex. To explain the variation in …
Disaster or Catastrophe
A regional episode of erosion between A.D. 1020 and 1160 coincides with social, political, economic, and demographic changes in the Hohokam culture. This regional erosional event was of such magnitude that it accelerated cultural changes that were already underway. The Ensor et al. (2003) commentary and attempt to layer a number of hypotheses on our original interpretations are fraught with problems
The Geoarchaeology and Preceramic Prehistory of the Willcox Basin, SE Arizona
During the late Quaternary the Willcox basin in SB Arizona was intermittently occupied by pluvial Lake Cochise. A radiocarbon-dated stratigraphic sequence indicates that high stands of the lake occurred from 13,750 to 13,400 B.P., once again during the early Holocene around or before 8900 B.P., and twice during the latter part of the middle Holocene. By the late Holocene, the basin was characterized by shallow and ephemeral playa lake stands.Grou…
Exploring late Paleoindian and early Archaic unfluted lanceolate point classification in the Southern Plains
During the late Paleoindian and early Archaic periods, the Southern Plains witnessed a diversification in unfluted lanceolate point styles. The classification of these points into distinct and meaningful typological groups continues to play a fundamental role in building an understanding of cultural changes at the end of the last Ice Age. In this study, we analyze a sample of points from the Hogeye site, Texas to explore unfluted lanceolate point…
Late Holocene Lacustrine Chronology and Archaeology of Ancient Lake Cahuilla, California
Freshwater lakes existed intermittently in the Salton Trough of southern California during the late Holocene. The lakes formed north of the subaerial Colorado River Delta whenever the Colorado River flowed west into the trough instead of south to the Gulf of California. Water filled the trough to a maximum altitude of 12 m. Stratigraphy, radiocarbon dates, and supplementary evidence document four lacustral intervals of Lake Cahuilla between A.D. …
The Sulphur Spring Stage and its Place in New World Prehistory
Radiocarbon dates from archaeological sites in Whitewater Draw, Arizona, place the Sulphur Spring stage of the Cochise Culture between 8000 and 10,000 yr B.P., and possibly back to 10,400 yr B.P. Geoarchaeological investigations of Whitewater Draw do not substantiate an earlier claim that Sulphur Spring stage ground stone artifacts are associated with extinct megafauna, nor the hypothesis that Sulphur Spring stage artifacts are specialized plant …
Geomorphic analysis of Hohokam settlement patterns on alluvial fans along the western Flank of the Tortolita Mountains, Arizona
Geoarchaeological investigations of the alluvial piedmont or bajada emanating from the Tortolita Mountains, Arizona, show that the distribution of Hohokam sites apparent from the surface is complete and undisturbed by geological processes. Late Holocene geomorphic processes and their resultant deposits on the bajada affected the location of prehistoric Hohokam agricultural settlements. Hohokam settlements were commonly situated on small alluvial …
Sulphur Springs Woman
Sulphur Springs Woman, an early human burial, was recovered from alluvial deposits dated between 8,200 and 10,000 years before the present in Whitewater Draw, southeastern Arizona. These are the oldest human remains from the Southwest and are some of the oldest in North America. These bones provide data on the earliest inhabitants of the New World
The impact of fluvial processes and landscape evolution on archaeological sites and settlement patterns along the San Xavier reach of the Santa Cruz River, Arizona
The Santa Cruz arroyo in the Tucson Basin, Arizona, has undergone major environmental changes over the last 8000 years. the Holocene stratigraphy along a 15 km segment of the arroyo, known as the San Xavier reach, which traverses the San Xavier Indian Reservation was investigated in detail. the Holocene alluvial sequence reveals that aggradation occurred until 8000 yr B.P. within a braided stream, was followed by a major period of channel erosion…
Late Quaternary Lacustrine History and Paleoclimatic Significance of Pluvial Lake Cochise, Southeastern Arizona
During the latest Quaternary, freshwater pluvial lakes intermittently formed in the topographically closed Willcox basin, Arizona. A lacustrine sequence of six separate high stands of Lake Cochise is documented by stratigraphic studies, 19 radiocarbon ages, and supplementary evidence. Two stands of pluvial Lake Cochise, older than 14,000 yr B.P., reached elevations above 1290 m. The prominent 1274-m shoreline of Lake Cochise, which circumscribes …
The Geoarchaeology and Preceramic Prehistory of the Willcox Basin, SE Arizona
During the late Quaternary the Willcox basin in SB Arizona was intermittently occupied by pluvial Lake Cochise. A radiocarbon-dated stratigraphic sequence indicates that high stands of the lake occurred from 13,750 to 13,400 B.P., once again during the early Holocene around or before 8900 B.P., and twice during the latter part of the middle Holocene. By the late Holocene, the basin was characterized by shallow and ephemeral playa lake stands.Grou…
Reevaluation of Early Cochise Artifact Associations with Pleistocene Lake Cochise, Southeastern Arizona
Materials belonging to the Sulphur Spring stage of the Cochise culture previously were identified on the prominent 1,274 m shoreline of Pleistocene Lake Cochise in southeastern Arizona. Dated ca. 12,000 to 11,000 years ago, the remains were suggested to represent an early Archaic manifestation deposited in ancient beach gravels, possibly contemporary with Clovis levels at the Lehner and Naco sites. New data based on stratigraphic analysis, correl…
The Geoarchaeology of Gullies and Arroyos in Southern Arizona
Many of the major rivers and streams in the arid and semiarid American Southwest can be classified as gullies and arroyos. The history of deposition, stability, and erosion of gully and arroyo environments has had a profound influence on the archaeological record contained within valley and bajada (piedmont) alluvium. The temporal and spatial sample of archaeological sites in southern Arizona is as much a reflection of geological processes as it …
Cultural and Landscape Influences on Tucson Basin Hohokam Settlement
Geoarchaeological investigations of St. Ann's Bay, Jamaica
A complex interbedded sequence of shallow bay, alluvial fan, and lagoon/marsh facies was revealed during geoarchaeological investigations of St. Ann's Bay, Jamaica. Eighteen radiocarbon ages and time‐diagnostic artifacts were obtained from these sediments. From these data, the landscape evolution of St. Ann's Bay, Jamaica, during the last 4800 years is reconstructed. The landscape reconstructions for St. Ann's Bay are used to identify areas where…
Late Quaternary Vegetation and Climate Changes in Central Texas Based on the Isotopic Composition of Organic Carbon
Stable carbon isotope analysis of organic carbon in alluvial deposits and soils of three streams in central Texas reveals significant shifts in the ratio of C 3 to C 4 plant biomass production during the past 15,000 yr. These temporal changes in vegetation appear to be in response to changes in climate. During the late Pleistocene, C 4 plants comprised only about 45 to 50% of the vegetative biomass in this area, suggesting that conditions were co…
Past and Present Soil Erosion. Archaeological and Geographical Perspectives
Late Quaternary Floodplain History of the Brazos River in East-Central Texas
The floodplain along a 75-km segment of the Brazos River, traversing the Gulf Coastal Plain of Texas, has a complex late Quaternary history. From 18,000 to 8500 yr B.P., the Brazos River was a competent meandering stream that migrated from one side of the floodplain to the other, creating a thick layer of coarse-grained lateral accretion deposits. After 8500 yr B.P., the hydrologic regime of the Brazos River changed. The river became an underfit …
The Geoarchaeology of Place
Because the landscape on which prehistoric people lived was dynamic and continually changed, the record of prehistoric activities across the landscape has been differentially preserved and destroyed. Insightful reconstructions of human organizational (settlement) systems from the archaeological record require a full understanding of the geological forces and history that have shaped that record. The landscape histories of the North Dakota Badland…
The effect of landscape and hydrologic variables on the prehistoric Salado
Geoarchaeological investigations in the Tonto Basin, Arizona provide insights into the Classic period Salado occupation from A.D. 1150 to 1450. Geomorphic reconstructions show that the Salado pursued irrigation agriculture on an intermediate Holocene terrace that was protected from flooding, while permanent settlements were located on stable Pleistocene landforms overlooking the field areas. Carrying-capacity-based calculations show that the popu…
The Sulphur Spring Stage of the Cochise Culture and its Place in Southwestern Prehistory
Geoarchaeological studies were undertaken in Whitewater Draw and around Lake Cochise in southeastern Arizona to determine the age of the Sulphur Spring stage of the Cochise culture and define its place in Southwestern prehistory. Alluvial stratigraphic studies in Whitewater Draw showed that Sulphur Spring stage artifacts occurred in deposits ranging from 8,000 to 10,000 B.P. and may even date as old as 10,400 B.P. These studies also showed that S…
Late Quaternary Geology and Geochronology of Diring Yuriakh, An Early Paleolithic Site in Central Siberia
Diring Yuriakh, an archaeological site on the highest terrace of the Lena River in subarctic eastern Siberia, provides evidence for the oldest and northern-most Early Paleolithic occupation in Asia. Stratigraphic and sedimentological studies at the site show that artifacts occur on a single eolian deflation surface that is underlain by fluvial sediments with inset cryogenic sand wedges and overlain by eolian deposits. Thermoluminescence ages on t…
Geoarchaeological investigations of San Mateo and Las Flores Creeks, California
The late Quaternary stratigraphy and geochronology of San Mateo and Las Flores Creeks indicates that both streams, which drain into the Pacific Ocean along the southern California coast, had a synchronous landscape history. Both San Mateo and Las Flores Creeks cut deep valleys during the late Pleistocene in response to the worldwide drop in sea level. A long period of aggradation followed as sea level rose to its present position during the late …
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Geoarchaeology
Geoarchaeological investigations of San Mateo and Las Flores Creeks, California
The late Quaternary stratigraphy and geochronology of San Mateo and Las Flores Creeks indicates that both streams, which drain into the Pacific Ocean along the southern California coast, had a synchronous landscape history. Both San Mateo and Las Flores Creeks cut deep valleys during the late Pleistocene in response to the worldwide drop in sea level. A long period of aggradation followed as sea level rose to its present position during the late …
Late Quaternary Geology of the Middle Gila River, Gila River Indian Reservation, Arizona
Stratigraphy and dating provide an 18,000 yr record of erosion and deposition by the middle Gila River. Prior to 18,000 cal yr B.P., the Gila River cut into its floodplain and created a deep, wide channel. Sand and gravel accumulated within this channel until 4250–4400 cal yr B.P. By this time, the channel of the Gila River was narrow and deep. Around 5000 cal yr B.P., fine-grained sediments began to accumulate on the floodplain. At 800–950 cal y…
Alluvial stratigraphy and geoarchaeology in the American Southwest
Many of the activities of prehistoric people who lived in the American Southwest were concentrated around alluvial environments. In this arid to semiarid environment, alluvial settings provided freshwater for drinking, a biologically rich environment for hunting and gathering, and water for agriculture. When investigating the prehistory of cultures centered around an alluvial environment, an understanding of the geologic history of that environme…
Masterov Kliuch and the Early Upper Palaeolithic of the Transbaikal, Siberia
In 1996, archaeological excavations were conducted at the Masterov Kliuch site, located east of Lake Baikal, Siberia. Three archaeological components were uncovered, all occurring in colluvial deposits. The two lower components (I and II) are Palaeolithic in age and character. Component I is an early Upper Palaeolithic industry dated to 32,500-30,000 years ago (B.P.), and is in a primary context. Component II is undated but is also assignable to …
Archaeology (56 obras) · Geography (52 obras) · Geology (38 obras) · Archaeology and ancient environmental studies (36 obras) · Geology (32 obras) · Pleistocene-Era Hominins and Archaeology (28 obras) · Geology and Paleoclimatology Research (26 obras) · Paleontology (24 obras) · Archaeology and Natural History (23 obras) · Paleontology (22 obras)