silcrete

sil·crete

English syllables. 2014.

Look at other dictionaries:

  • Silcrete — is an indurated soil duricrust formed when silica is dissolved and resolidifies as a cement. It is a hard and resistant material, and though different in origin and nature, appears similar to quartzite. It is common in the arid regions of… …   Wikipedia

  • Silcrète — La silcrète est un type de conglomérat fin cimenté par de la silice. Il désigne aussi plus généralement toute croûte siliceuse. Sommaire 1 Terminologie 2 Formation et répartition 3 Usages préhistoriques …   Wikipédia en Français

  • silcrete — ▪ mineral       silica rich (silica) duricrust, an indurated, or hardened, layer in or on a soil. It generally occurs in a hot, arid climate where infrequent waterlogging causes silica to dissolve and be redeposited to cement soil grains together …   Universalium

  • silcrete — noun An indurated duricrust formed when silica is dissolved and resolidifies as a cement …   Wiktionary

  • silcrete — /ˈsɪlkrit/ (say silkreet) noun a conglomerate of rock fragments cemented by silica; traditionally favoured in the making of Aboriginal stone tools. {sil(ica) + (con)crete} …   Australian English dictionary

  • silcrete — ˈsilˌkrēt noun ( s) Etymology: silica + 2concrete : a superficial quartzite formed by the cementation of rock fragments (as soil, sand, or gravel) by silica …   Useful english dictionary

  • Blombos — 34°24′50.77″S 21°13′03.68″E / 34.4141028, 21.2176889 …   Wikipédia en Français

  • Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …   Universalium

  • Ganister — As defined in Jackson (1997), a ganister is hard, fine grained quartzose sandstone, or orthoquartzite, used in the manufacture of silica brick typically used to line furnaces. Ganisters are cemented with secondary silica and typically have a… …   Wikipedia

  • Blombos Cave — has been recovered at the site and dates to c. 140,000 years ago.The symbolic significance of these finds suggests Middle Stone Age people were behaving in a cognitively modern way and had the advantages of syntactical language at least 80,000… …   Wikipedia

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