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Vocabulary

This text explores the characteristics and formation processes of metamorphic and sedimentary rocks. It distinguishes between foliated and nonfoliated metamorphic rocks based on the arrangement of mineral grains. Additionally, it defines sediment as loose materials transported by natural forces and explains sedimentary rock formation through compaction and cementation. Compaction involves the pressing of sediment layers into solid rock, while cementation glues larger sediment pieces together using dissolved materials. This fundamental knowledge is essential for understanding geological processes.

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Vocabulary

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Presentation Transcript

  1. Vocabulary 11-1-10

  2. Foliate • Mineral grains in metamorphic rocks line up in parallel layers.

  3. Nonfoliated • When minerals do not arrange in a layers in metamorphic rocks.

  4. Sediment • Loose materials such as rock fragments, mineral grains, and bits of shell, that have been moved by wind, water, ice, or gravity.

  5. Sedimentary Rock • Forms when sediments are pressed and cemented together, or when minerals form from solutions.

  6. Compaction • Small sediment layers are pressed together by forces above to form solid rock.

  7. Cementation • Large pieces of sediment are glued together by dissolved materials between each large piece.

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