chapter7 - Key Terms and Concepts Importance and nature of...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
        Key Terms and Concepts Importance and nature of sedimentary rocks Lithification Types of sedimentary rocks: clastic vs. non-clastic (chemical or biochemical) Compositions: clastic (sandstones and shales containing quartz and clay minerals) non-clastic (limestones made of calcite; other evaporites; coal) Classification Sedimentary environments or facies (e.g., shallow marine, rivers, desert) Transgressions and regressions Formation of Evaporites Primary sedimentary structures (e.g., bedding, cross-bedding, ripple marks) EoD of the sedimentary rocks of Texas
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    Sediment Facts Most common type of rock on surface of  Earth 75% of all outcropping rocks contain most of the world’s coal, gas, oil,  U, water and are important building  materials record lost worlds
Background image of page 2
    Sedimentary Rocks Sediments  - unconsolidated particles from the  weathering of the earth’s surface   Sedimentary Rocks   -   lithified sediment Lithification Process whereby sediment is converted to rock  through  compaction   and   cementation .
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
    Sedimentary Rocks Cementation Common Cements » Silica - SiO 2 » Calcium carbonate - CaCO 3 » Iron oxide - Fe 2 O 3 •H 2 O (limonite) Cemented sand grains in thin section Quartz sand Calcite cement
Background image of page 4
    Types of Sedimentary Rocks Detrital (Clastic)  - composed of particles  derived directly from rock weathering and 
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 26

chapter7 - Key Terms and Concepts Importance and nature of...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online