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Compaction and cementation Melting and solidification Heat and/or pressure metamorphic igneous sedimentary Melting Weathering and erosion Heat and pressure.

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Presentation on theme: "Compaction and cementation Melting and solidification Heat and/or pressure metamorphic igneous sedimentary Melting Weathering and erosion Heat and pressure."— Presentation transcript:

1 Compaction and cementation Melting and solidification Heat and/or pressure metamorphic igneous sedimentary Melting Weathering and erosion Heat and pressure

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5 B Shows deformation & banding due to heat and pressure C Appears glassy D Large intergrown crystal grains A Fragments of rock cemented together

6 Calcite Magnetite Halite Hematite graphite Talc/ graphite Augite silt olivine pyroxene low extrusive crystalline Color Mineral composition Density Slate Mica Feldspar Garnet Quartz Amphibole Pyroxene limestone marble igneous sedimentary metamorphic Breccia

7 Sandstone Gas pockets Boulders Granite Rock salt Cleavage hardness metallic obsidian metaconglomerate slate igneous sedimentary schist

8 Less than cm slate coarse

9 banding Pyroxene and amphibole garnet Jewelry


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