Classification of siliceous rocks in Central Europe

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F19%3A00113082" target="_blank" >RIV/00216224:14310/19:00113082 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Classification of siliceous rocks in Central Europe
Original language description
Raw material for chipped tools has to be hard on the one hand, on the other hand suitable to form homogeneous flakes or blades with sharp edges. Silica rich rocks or minerals fill usually the both requirements. Collections of prehistoric chipped artefacts can have sometimes hundreds or even thousands items. Evaluating such a collection, it is necessary first of all to make a basic division of used raw materials into five basic groups: 1. Silicites (non-detrital sedimentary siliceous rocks) – chert and its variety, flint, limnosilicite, chemosilicite (hydrosilicite); 2. Silica rich minerals – quartz and its varieties, opal, chalcedony, jasper, plasma; 3. Natural glasses – volcanic glasses especially obsidian and pitchstone, tektites; 4. Clastic (detrital) sedimentary rocks rich in quartz or chert – orthoquartzite, chert breccia, quartz sandstone; 5. Special rocks – porcellanites, silica rich fine-grained or amorphous volcanic rocks, silicified wood, silicified corals, silicified limestone.
Czech name
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Czech description
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Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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