A fine-grained wind-deposited surface material with extensive deposits in the mid-latitudes is ________.

Question

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Loess is a fine-grained wind-deposited surface material that is widespread in the mid-latitudes. It is usually composed of clay, silt, and quartz, and is formed from the accumulation of wind-blown dust and sediment over time. Reg refers to a type of desert pavement, erg refers to a sand sea or dune field, inselberg is a rocky outcrop surrounded by a plain, and plinth refers to an elevation in the level of the ground surface caused by the swelling of clay minerals.

A Fine-Grained Wind-Deposited Surface Material with Extensive Deposits in the Mid-Latitudes