Petrography Quizzes & Trivia
Questions: 30 | Attempts: 86 | Last updated: Feb 11, 2018
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Sample QuestionAt high wind velocities silt- and clay-sized particles are carried as bed load.
Questions: 50 | Attempts: 52 | Last updated: May 8, 2019
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Sample QuestionOne of lake lakes a body of water of 2 hectares (5acres) or more in area; however, others have defined lakes as waterbodies of 5hectares hectares (12 acres) acres) and above, or 8 hectares (20 acres) and above.
Petrography Questions and Answers
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At high wind velocities silt- and clay-sized particles are carried as bed load.
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Grain roundness is therefore a characteristic that can easily be seen in hand specimen using a hand lens, or will be evident under the microscope if a thin-section is cut of an aeolian sandstone
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A lagoon is the marine-influenced portion of a drowned valley.
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One of lake lakes a body of water of 2 hectares (5acres) or more in area; however, others have defined lakes as waterbodies of 5hectares hectares (12 acres) acres) and above, or 8 hectares (20 acres) and above.
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Lakes in regions with large changes between summer and winter can have annual laminations (varves) of clay rich in organics during the summer (anoxia) and of silt in winter (during storms).
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Aeolian sedimentary processes are those involving transport and deposition of material by the wind.
