Results 61 to 70 of about 24,481 (224)

Variations in downslope activity and bottom current dynamics in a land‐detached submarine channel system since the Last Glacial Maximum

open access: yesSedimentology, EarlyView.
ABSTRACT The Gollum Channel System is a land‐detached large‐scale canyon‐channel system situated offshore southwest Ireland on the Northeast Atlantic margin. The system has been considered inactive with downslope gravity flows since the last glacial period, but geophysical data in some of its branches do suggest Holocene activity.
Lotte Verweirder   +8 more
wiley   +1 more source

Artefacts from the Turbinella pyrum shell found at 3rd–4th century sites in the Middle Kama region

open access: yesВестник археологии, антропологии и этнографии, 2018
Starting from the 1950s, researchers have been collecting original artefacts — discs made of obviously non-local shells — in the Middle Kama region. In the 1990s, the source region for such molluscs was determined to be the coastline of India. Since then,
Goldina R.D.
doaj   +1 more source

Additional Ancestral Caddo Ceramic and Lithic Artifacts from the Three Mounds Creek Site, Gregg County, Texas [PDF]

open access: yes, 2013
The Three Mounds Creek site is an ancestral Caddo multiple mound center along a southern-flowing tributary to the Sabine River in the Longview, Texas area. Buddy Jones recorded the site in 1956, and noted that it had three mounds.
Perttula, Timothy K.
core   +1 more source

Growth and reworking of freshwater microbially‐mediated carbonates in wind‐stressed lake margins (Lago Sarmiento, Southern Patagonia)

open access: yesSedimentology, EarlyView.
ABSTRACT Understanding the biotic and abiotic influences on the deposition and diagenesis of recent microbial carbonates is crucial for addressing the environmental and ecological significance of ancient organosedimentary structures. This study investigates these factors and their expression in the microstructure of Holocene tufa thrombolites from a ...
Paulo Quezada   +10 more
wiley   +1 more source

The Northern Caddoan Area was not Caddoan [PDF]

open access: yes, 1990
In this paper I will challenge one of the major unexamined assumptions in the archeology of Eastern North America, the assumption that the Arkansas River Valley and Ozark Highland regions of eastern Oklahoma and western Arkansas, the so-called northern ...
Schambach, Frank F.
core   +1 more source

Spaceborne and spaceborn: Physiological aspects of pregnancy and birth during interplanetary flight

open access: yesExperimental Physiology, EarlyView.
Abstract Crewed interplanetary return missions that are on the planning horizon will take years, more than enough time for initiation and completion of a pregnancy. Pregnancy is viewed as a sequence of processes – fertilization, blastocyst formation, implantation, gastrulation, placentation, organogenesis, gross morphogenesis, birth and neonatal ...
Arun V. Holden
wiley   +1 more source

Caddo Ceramic Vessels from the T. M. Sanders Site (41LR2) on the Red River in Lamar County, Texas [PDF]

open access: yes, 2016
The T. M. Sanders site (41LR2) is one of the more important ancestral Caddo sites known in East Texas, primarily because of its two earthen mounds and the well-preserved mortuary features of Caddo elite persons buried in Mound No. 1 (the East Mound). The
Nelson, Bo   +2 more
core   +1 more source

Research Reports from the Programme for Belize Archaeological Project, Volume Three [PDF]

open access: yes, 2009
Table of Contents : Archaeological Investigations of the Programme for Belize Archaeological Project: An Introduction to Volume Three / by Fred Valdez, Jr. and Rissa M.
Trachman, Rissa M., Valdez, Fred Jr
core   +1 more source

Os primeiros povoadores do litoral norte do Espírito Santo: uma nova abordagem na arqueologia de sambaquis capixabas

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Humanas
Resumo Os sambaquis do litoral do Espírito Santo foram pouco estudados pelas pesquisas arqueológicas realizadas no estado. Apesar de serem conhecidos desde finais do século XIX, foram recorrentemente considerados uma extensão marginal dos ...
Ximena Suarez Villagran   +11 more
doaj   +1 more source

Oyster shells as history books [PDF]

open access: yes, 2003
[FIRST PARAGRAPH] A collaborative project was established in 2002 that has brought together geochemistry and archaeology in order to investigate environmental change and the harvesting strategies of ancient peoples.
Milner, N., Surge, D.
core  

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