Results 51 to 60 of about 248 (94)

The toxic influence and biodegradation of carbon nanofibers in freshwater invertebrates of the families Gammaridae, Ephemerellidae, and Chironomidae. [PDF]

Toxicol Rep, 2020
Chaika V, Pikula K, Vshivkova T, Zakharenko A, Reva G, Drozdov K, Vardavas AI, Stivaktakis PD, Nikolouzakis TK, Stratidakis AK, Kokkinakis MN, Kalogeraki A, Burykina T, Sarigiannis DA, Kholodov A, Golokhvast K.   +15 more
europepmc   +1 more source

Luminescent properties of natural amazonite from Pakistan

Since anomalous fading (AF) is a problem for ThermoLuminescence (TL) dating (Sfampa et al. in Nucl Instrum Methods Phys Res Sect B Beam Interact Mater Atoms 320:57-63, 2014), the current work examines both AF and Isothermal Decay (ID) of TL signals of ...
Asal, ECK
core  

The bioarchaeology of mid-Holocene pastoralist cemeteries west of Lake Turkana, Kenya. [PDF]

Archaeol Anthropol Sci, 2019
Sawchuk EA, Pfeiffer S, Klehm CE, Cameron ME, Hill AC, Janzen A, Grillo KM, Hildebrand EA.   +7 more
europepmc   +1 more source

Uptake and Fractionation of Thallium by Brassica juncea in a Geogenic Thallium-Amended Substrate. [PDF]

Environ Sci Technol, 2019
Rader ST, Maier RM, Barton MD, Mazdab FK.   +3 more
europepmc   +1 more source

Contacts between Egypt and Ethiopia in the Predynastic and Protodynastic periods: obsidian, amazonite… and myrrh?

Amazonite, a gemstone utilized in Egypt since the Badarian period, may serve as an indicator of the earliest trade routes connecting Egypt with East Africa.
Giménez Izquierdo, Francisco Javier
core  

A monumental cemetery built by eastern Africa's first herders near Lake Turkana, Kenya. [PDF]

Proc Natl Acad Sci U S A, 2018
Hildebrand EA, Grillo KM, Sawchuk EA, Pfeiffer SK, Conyers LB, Goldstein ST, Hill AC, Janzen A, Klehm CE, Helper M, Kiura P, Ndiema E, Ngugi C, Shea JJ, Wang H.   +14 more
europepmc   +1 more source

Burying power: New insights into incipient leadership in the Late Pre-Pottery Neolithic from an outstanding burial at Ba'ja, southern Jordan. [PDF]

PLoS One, 2019
Benz M, Gresky J, Štefanisko D, Alarashi H, Knipper C, Purschwitz C, Bauer J, Gebel HGK.   +7 more
europepmc   +1 more source

Algunas consideraciones mineralógicas y geoquímicas sobre la amazonita del estado de Chihuahua, México

, 2012
This work characterizes the distinctive features that influence the geological setting of amazonite, as well as the relationship between their deposits and specific genetic types of granitoids.
Ostrooumov, Mikhail
core  

Algunas consideraciones mineralógicas y geoquímicas sobre la amazonita del estado de Chihuahua, México

, 2017
En el presente trabajo se examinan los factores que inciden en la distribución geológica de la amazonita, y en la relación existente entre sus yacimientos y tipos específicos de granitoides.
Ostrooumov, Mikhail
core  

Green stone beads at the dawn of agriculture. [PDF]

Proc Natl Acad Sci U S A, 2008
Bar-Yosef Mayer DE, Porat N.
europepmc   +1 more source