calcrete


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calcrete

[¦kal¦krēt]
(geology)
A conglomerate of surficial gravel and sand cemented by calcium carbonate.
References in periodicals archive ?
20106) and the latter is ~320 km to the south-west in a closed catchment where alkaline sand ridges are found on calcrete (Bryant et al.
Formation of a rhizogenic calcrete during a glacial stage (Oxygen Isotope Stage 12): its palaeoenvironmental stratigraphic significance.
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.
Large areas of the tenement are overlain by cover including alluvial wash, calcrete and sand.
The basement rocks are covered to the northeast and south by stranded cover sequences of flat-lying calcrete and alluvial deposits, which are associated with a broad northeast trending valley marginal to the Khan River.
Paratypes: NAMIBIA: 4[male] Wildheim Ost, 26[degrees]28'S:19[degrees]33'E, under calcrete stones, 6.
has announced the discovery of high grade uranium mineralisation both in calcrete and alaskite rocks at its Cape Cross project, following an extensive and systematic ground exploration programme, covering an approximately 49kilometer area.
Calcrete was frequently evident in the swales and depressions in the sand plains surrounding the lakes.
The surface of the Kalahari sediments have a rock-hard calcrete crust, which is difficult to penetrate.
Link between long-lasting evaporitic basins and the development of thick and massive phreatic calcrete hardpans in the Mississippian Windsor and Percr groups of eastern Canada.