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Sheeted dikes are found ________.

A poorly sorted sandstone, containing angular grains of ferromagnesian minerals, was probably deposited ________ the source area of the particles.

________ is the best explanation for a glacial surge.

Graphite is identified in a particular schist. Which one of the following conclusions is justified?

________ is characterized by very coarse mineral grains.

________ is the best explanation for a glacial surge.

A tributary stream that has to flow for many kilometers before finding an opening where it enters the main river is called a ________.

Karst development occurs more rapidly in ________ climates.

According to the rock cycle, which of the following statements is true?

Submarine canyons found on the continental slope and rise have been created ________.