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单词 calcrete
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Examples ofcalcrete

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Thecalcreteis of two types; the first one is rich in silt with low clay content, and generally overlies the mottled silty sandstone lithofacies.
From theCambridge English Corpus
These deposits are prone to diagenetic changes, especially development ofcalcretehorizons due to the alkaline nature of the water and its saturation in calcite.
From theCambridge English Corpus
The second type of beddedcalcreteis composed of very thin non-calcretized silty bands alternating with 2-3 cm thick calcretized clayey bands.
From theCambridge English Corpus
This lithofacies shows development of smallcalcretenodules having diameters of a few to ten millimetres.
From theCambridge English Corpus
The silty-heterolithic association consists of four lithofacies: mottled siltstone, mottled silty sandstone, beddedcalcreteand mottled mudstone.
From theCambridge English Corpus
The mottled silty sandstone facies is overlain by beddedcalcrete.
From theCambridge English Corpus
The topmost parts of the sandy silt units show extensivecalcretedevelopment.
From theCambridge English Corpus
Irregularly shapedcalcretenodules are often present.
From theCambridge English Corpus
Calcretenodules and gastropod moulds are also present.
From theCambridge English Corpus
Often horizons of beddedcalcreteare encountered.
From theCambridge English Corpus
The section includescalcreteprofiles and a complex sand-body.
From
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In course of present excavations nearly 50 pillar bases with brickbat foundation belowcalcreteblocks topped by sandstone blocks were found.
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Vegetation then formed an acidic layer of soil and humus, and a hard cap ofcalcretedeveloped above the softer limestone.
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Wikipedia
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The site has contributed significantly to the geological record (forcalcretesoils).
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Wikipedia
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At its base it carriescalcretenodules and rootlets.
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Wikipedia
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The formation of silcrete is similar to that ofcalcrete, formed by calcium carbonate and ferricrete, formed by iron oxide.
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Layers of soil lie in depressions within thecalcretelayer.
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Wikipedia
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

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