(a) If the sediment shown in the photo undergoes metamorphism it will likely become Sandstone.
(b) The image is primarily a texture of Gneissic banding.
(c) The weathering rind in the granite is produced primarily by oxidation.
Metamorphosis of sedimentary rocks
If the sediment shown in the photo undergoes metamorphism it will likely become Sandstone.
Sandstone is a clastic sedimentary rock composed mainly of sand-sized silicate grains.
What is Genissic banding?
The minerals in gneiss are arranged into layers that appear as bands in cross section.
Thus, the image is primarily a texture of Gneissic banding.
What is oxidation weathering?
Oxidation is a chemical weathering that occurs when oxygen combines with another substance and creates compounds called oxides.
Thus, the weathering rind in the granite is produced primarily by oxidation.
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