The conditions of climate, weathering rate, and erosion rate that lead to a feldspar-rich sandstone.
Introduction:
The weathering of the bedrock results in the formation of detrital sedimentary rocks. These rocks are also known as terrigenous rocks. These rocks are made from the eroded minerals.
Explanation of Solution
The sand that is rich in feldspar is arkosic sand. The weathering of the igneous and metamorphic rock results in the formation of feldspar-rich soil. Chemical weathering is not followed by feldspar. Therefore, this type of soil are deposited in cold climates. Rapid erosion allows the rock to weather mechanically. Coarse-grained minerals are present in the feldspar-rich sandstones, which resulted from the fast weathering.
Therefore, the conditions of climate, weathering rate, and erosion rate that lead to a feldspar-rich sandstone are as follows:
• The cold and dry climate
• Rapid erosion
• Fast weathering rate
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