Increasing Regional Metamorphic Grade of a Shale or Mudstone Would

question 44

Multiple Choice

Increasing regional metamorphic grade of a shale or mudstone would produce the sequence ________.

• A)breccia, gouge, mylonite, ultramylonite
• B)hornfels, amphibolite, migmatite
• C)greenschist, amphibolite, granulite
• D)slate, phyllite, schist, gneiss

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Definitions:

Ozone Layer

A protective layer in Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation, shielding the planet from harmful UV light.

Cyanobacteria

A phylum of bacteria that obtain their energy through photosynthesis and are noted for their role in the oxygenation of the Earth's atmosphere.

Organic Polymers

Large molecules composed of repeating carbon-based units, including proteins, nucleic acids, and many synthetic materials.

Clay

A natural, earthy material composed of fine-grained minerals, typically used in ceramics and construction.