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About John J. Shea
Expertise
Questions about Old World prehistoric archaeology (mainly Europe, Near East, and Africa during the Paleolithic period/Pleistocene Epoch).
IMPORTANT: I do not give advice about colleges. I do not appraise the value of artifacts or fossils.
Experience
University professor of anthropology/archaeology since 1991.
Dozens of publications in peer-review anthropology journals.
Director of archaeological-paleontological expeditions and excavations in Israel, Jordan, Eritrea, Ethiopia, and Kenya.
See my main profile under Allexperts` "Anthropology" section.
Professional website: http://www.sunysb.edu/anthro/staff/jshea.shtml
Personal website: http://www.sunysb.edu/anthro/Shea/Shea%20pers%20webpage.htm
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You are here: Experts > Science > Archaelogy > Archaeology > archaeology
Expert: John J. Shea - 10/18/2009
Question
I want to know the Standard ancestor choice the stone to use.
Answer
In Pleistocene times, when people made stone tools mainly by controlled conchoidal fracture. So, the kinds of rocks they selected were those that had concoidal fracture -rocks that were brittle, isotropic, cryptocrystalline, and usually a silicate. Examples of these rocks include flint, quartz, quartzite, basalt, jasper, chalcedony.
Sincerely
John Shea
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