are commonly left after complete chemical weathering.Multiple ChoiceQuartz and clay mineralsOlivine and calcium plagioclaseCalcite and dolomiteOrthoclase feldsparsHalite and gypsum
Question
are commonly left after complete chemical weathering.Multiple ChoiceQuartz and clay mineralsOlivine and calcium plagioclaseCalcite and dolomiteOrthoclase feldsparsHalite and gypsum
Solution
The answer is Quartz and clay minerals.
Here's why:
Chemical weathering involves the breakdown of rocks and minerals by chemical reactions, many of them involving water. Some minerals, like quartz, are resistant to chemical weathering, while others, like feldspar, are more susceptible.
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Quartz is a very stable mineral because it is made up of one silicon atom and two oxygen atoms. It is resistant to weathering due to its chemical structure, so it often remains after other minerals have weathered away.
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Clay minerals are typically formed as a result of weathering. They are the end product of chemical weathering of other silicate minerals like feldspar.
On the other hand, minerals like olivine, calcium plagioclase, calcite, dolomite, orthoclase feldspars, halite, and gypsum are more susceptible to chemical weathering and therefore, they are less likely to be left after complete chemical weathering.
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