calcrete


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calcrete

[¦kal¦krēt]
(geology)
A conglomerate of surficial gravel and sand cemented by calcium carbonate.
References in periodicals archive ?
Black (2009), "The Timing of Quaternary Calcrete Development in Semiarid Southeast Spain: Investigating the Role of Climate on Calcrete Genesis," Sedimentary Geology 218, 6e15.
Drill testing of calcrete geochemical anomalies on the Company's Eyre Peninsula Project led directly to the discovery of the Barns, Baggy Green and White Tank deposits, all of which remain 100% owned by Adelaide Resources.
El barniz se encuentra frecuentemente asociado a la "patina-decoloracion": mientras que en la cara expuesta de una pieza se desarrolla el barniz, en la cara opuesta -sobre la que apoya en el sustrato- tiene lugar la decoloracion que puede estar o no acompanada de calcretes.
Additionally calcretes and lignite related Paleocene sandstones in the Thar coal basin, immediately north of the granitic terrain are the prospective hosts for the labile uranium.
Calcrete is well developed but the A-horizon has been removed to expose the carbonate crust.
Large areas of the tenement are overlain by cover including alluvial wash, calcrete and sand.
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.
Assay results from an initial calcrete sampling include elevated gold values which have identified five earlier unknown areas of gold anomaly in addition to previously known targets.
Calcrete was frequently evident in the swales and depressions in the sand plains surrounding the lakes.
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.