Dark minerals – these are most likely pyroxenes and amphiboles, both common rock-forming mineral groups
Iron-oxide staining – reddish coating on grains due to iron-oxide (“rust”) leaching out of surrounding rocks and minerals
Opaque grains – rock or mineral grains that do not allow light to pass through them
Lithics – small fragments of rocks
[…] What you might see in the microscope […]
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[…] What you might see in the microscope […]
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[…] What you might see in the microscope […]
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[…] What you might see in the microscope […]
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