Results 81 to 90 of about 313 (146)

Revised lithostratigraphy of the Sonsela Member (Chinle Formation, Upper Triassic) in the Southern Part of Petrified Forest National Park, Arizona. [PDF]

PLoS One, 2010
Martz JW, Parker WG.
europepmc   +1 more source

Optically continuous silcrete quartz cements of the St. Peter Sandstone: High precision oxygen isotope analysis by ion microprobe

, 2007
A detailed oxygen isotope study of detrital quartz and authigenic quartz overgrowths from shallowly buried (<1 km) quartz arenites of the St. Peter Sandstone (in SW Wisconsin) constrains temperature and fluid sources during diagenesis.
Noriko T Kita, Bin Fu, Jacque L Kelly, John W Valley   +3 more
core  

Collaborative involvement of woody plant roots and rhizosphere microorganisms in the formation of pedogenetic clays. [PDF]

Ann Bot, 2019
Reith F, Verboom W, Pate J, Chittleborough D.   +3 more
europepmc   +1 more source

The driving force behind tool-stone selection in the African Middle Stone Age. [PDF]

Proc Natl Acad Sci U S A
Schmidt P, Pappas I, Porraz G, Berthold C, Nickel KG.   +4 more
europepmc   +1 more source

Effects of groundwater abstraction on two keystone tree species in an arid savanna national park. [PDF]

PeerJ, 2017
Shadwell E, February E.
europepmc   +1 more source

Diversity of Microbial Mats in the Makgadikgadi Salt Pans, Botswana. [PDF]

Microorganisms
Filippidou S, Price A, Spencer-Jones C, Scales A, Macey MC, Franchi F, Lebogang L, Cavalazzi B, Schwenzer SP, Olsson-Francis K.   +9 more
europepmc   +1 more source

Ethnographic toolstone heat treatment reveals distinctive motives and patterns of material transformation. [PDF]

Sci Rep
Sahle Y, Moník M, Ahmed S, Hadraba H, Chlup Z, Šiška F, Kučera L, Souron A, Brandt SA, Arthur KW.   +9 more
europepmc   +1 more source

Why Was Silcrete Heat-Treated in the Middle Stone Age? An Early Transformative Technology in the Context of Raw Material Use at Mertenhof Rock Shelter, South Africa. [PDF]

PLoS One, 2016
Schmidt P, Mackay A.
europepmc   +1 more source

Resumen de la ponencia "Perspectivas tecno-tipológicas, experimentales y arqueométricas : en artefactos líticos de la localidad arqueológica El Ranchito, norte de Córdoba"

, 2017
Fil: Sario, Gisela. Universidad Nacional de Córdoba. Facultad de Filosofía y Humanidades. Museo de Antropología, Argentina.Fil: Sario, Gisela. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Antropología de Córdoba; Argentina.Fil:
Costantino, Florencia Natalia, Salvatore, Marcos, Sario, Gisela   +2 more
core  

A New Chronology for Rhafas, Northeast Morocco, Spanning the North African Middle Stone Age through to the Neolithic. [PDF]

PLoS One, 2016
Doerschner N, Fitzsimmons KE, Ditchfield P, McLaren SJ, Steele TE, Zielhofer C, McPherron SP, Bouzouggar A, Hublin JJ.   +8 more
europepmc   +1 more source