calcrete


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calcrete

(ˈkælkriːt)
n
(Geological Science) another name for caliche1
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An example of this would be due to the presence of surface coatings, often composed of fine clay, iron oxide, calcrete and organic matter.
Formation of a rhizogenic calcrete during a glacial stage (Oxygen Isotope Stage 12): its palaeoenvironmental stratigraphic significance.
Dhir (1998), "Do Stable Isotope Data from Calcrete Record Late Pleistocene Monsoonal Climate Variation in the Thar Desert of India?
Historically, Adelaide Resources' exploration on the Eyre Peninsula Project employed calcrete geochemistry to define gold anomalies, a technique that involves sampling and assaying of carbonate commonly present in the soil profile.
CSIRO research using natural materials, such as calcrete and laterite in soils, for mineral exploration has led to many successful ore deposit discoveries in regional Australia.
Hassi Baida is a superficial calcrete area located around 50 kilometres north-east of the current Forte Energy permits and covers more than 800 square kilometres.
Por su parte, las alteraciones quimicas postdepositacionales se manifiestan bajo otras formas: costra calcarea o calcrete que puede estar o no acompanando a otro tipo de patinas (Durando et al.
Preliminary sampling showed some spotty but anomalous concentrations of uranium (70-158 ppm) in few calcrete bodies.
It thins to the east and is absent in the sector adjacent to the River where the Tertiary strata are capped only by calcrete.
Los depositos cuaternarios estan constituidos principalmen te por capas de conglomerados, gravas, arenas y, en menor grado, por capas de calcrete de diverso origen (COPLANAR, 1975; Casa-Sainz, 1995, Gonzalez, 2006).