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Questions and Answers
What type of sedimentary rock contains rounded fragments and is made up of mainly pebbles, cobbles, and/or boulders embedded in sand, silt, and/or clay?
What type of sedimentary rock contains rounded fragments and is made up of mainly pebbles, cobbles, and/or boulders embedded in sand, silt, and/or clay?
- Shale
- Siltstone
- Conglomerate (correct)
- Sandstone
Which sedimentary rock consists of sand-sized grains (0.006 to 0.2 cm) and may contain feldspar, quartz, and clay minerals?
Which sedimentary rock consists of sand-sized grains (0.006 to 0.2 cm) and may contain feldspar, quartz, and clay minerals?
- Siltstone
- Shale
- Dolostone
- Sandstone (correct)
What type of sedimentary rock has a fine crystalline to coarse texture and is composed of gypsum crystals?
What type of sedimentary rock has a fine crystalline to coarse texture and is composed of gypsum crystals?
- Limestone
- Bituminous coal
- Dolostone
- Rock gypsum (correct)
Which sedimentary rock may contain microscopic to very coarse calcite grains and is formed from biologic origin or cemented shell fragments?
Which sedimentary rock may contain microscopic to very coarse calcite grains and is formed from biologic origin or cemented shell fragments?
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What type of sedimentary rock is compacted and may split easily, consisting of less than 0.0004 cm grains?
What type of sedimentary rock is compacted and may split easily, consisting of less than 0.0004 cm grains?
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