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what kind of rock is the grand cayon like: Metamorphic, Igneous or sedimentary?

2007-01-28 03:59:17 · 5 answers · asked by Phoyos 1 in Science & Mathematics Earth Sciences & Geology

5 answers

The oldest rocks in the Grand Canyon are metamorphic, the Vishnu schist. The younger deposits are sedimentary, (limestones, sandstones and shales) with one exception, the Cardenas basalts, which are volcanic igneous rocks.

2007-01-28 06:07:24 · answer #1 · answered by GatorGal 4 · 0 0

The answer is all 3, metamorphic, igneous, and sedimentary. The majority of the canyon is sedimentary with metamorphic schist on the bottom. There are also some igneous intrusions found within the canyon as well.

2007-01-28 08:11:34 · answer #2 · answered by rikki l 2 · 0 0

It's mostly sedimentary. The layers of sedimentary deposits are obvious.

2007-01-28 04:03:49 · answer #3 · answered by Scythian1950 7 · 0 0

The Grand Canyon was formed by sediments that were deposited by a series of advancing and retreating ocean coast lines. (see source)

2007-01-28 04:35:58 · answer #4 · answered by Richard H 2 · 0 0

The answer is....sedimentary.

2007-01-28 04:07:00 · answer #5 · answered by soar 3 · 0 0

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