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Granite is the most common igneous rock that is found in continental crust. Basalt is the most common igneous rock found in oceanic crust. How could you easily distinguish between these two rocks?

Granite is the most common igneous rock that is found in continental crust. Basalt is the most common igneous rock found in oceanic crust. How could you easily distinguish between these two rocks?

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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2. Granite is the most common igneous rock that is found in continental crust. Basalt is the most common igneous rock found in oceanic crust. How could you easily distinguish between these two rocks?

Table 1: Sedimentary Depositional Environments Modified from: Wiese, Katryn https://fog.ccsf.edu/~kwiese/content/Classes/Geology LabManualSpring2021.pdf and Open Geology Text: https://opengeology.org/textbook/5-weathering-erosion-and-sedimentary-rocks/ Location Deep Ocean (Abyssal) Submarine fan Continental shelf & slope Sediment very fine muds and oozes, diatomaceous Earth graded sequences, alternating sand/mud mud, possible sand larger sediments, sand and mud Common Rock Types chert, shale, mudstone, limestone shale, mudstone, siltstone shale, mudstone, siltstone, limestone sandstone, conglomerate Typical Fossils microscopic organisms - diatoms & coccolithophores rare rare Fluvial (River) Beach (Littoral) very well sorted sand sandstone Reef lime mud with coral limestone rare bioturbation- layers disturbed by movement of organisms many, commonly coral Lagoon Landslide, Fault Zone, Debris Flow, Impact (meteorite), Tsunami Lake (Lacustrine) laminated mud mud to boulders, angular, poorly sorted fragments shale many, bioturbation-layers disturbed by movement of organisms breccia varies fine-grained mud shale invertebrates, rare (deep) bone beds Swamp (Paludal) Desert (Aeolian) plant material very well-sorted sand and silt coal plant debris sandstone rare Glacial mud to boulders, poorly sorted breccia (tillite) rare
Transcribed Image Text:Table 1: Sedimentary Depositional Environments Modified from: Wiese, Katryn https://fog.ccsf.edu/~kwiese/content/Classes/Geology LabManualSpring2021.pdf and Open Geology Text: https://opengeology.org/textbook/5-weathering-erosion-and-sedimentary-rocks/ Location Deep Ocean (Abyssal) Submarine fan Continental shelf & slope Sediment very fine muds and oozes, diatomaceous Earth graded sequences, alternating sand/mud mud, possible sand larger sediments, sand and mud Common Rock Types chert, shale, mudstone, limestone shale, mudstone, siltstone shale, mudstone, siltstone, limestone sandstone, conglomerate Typical Fossils microscopic organisms - diatoms & coccolithophores rare rare Fluvial (River) Beach (Littoral) very well sorted sand sandstone Reef lime mud with coral limestone rare bioturbation- layers disturbed by movement of organisms many, commonly coral Lagoon Landslide, Fault Zone, Debris Flow, Impact (meteorite), Tsunami Lake (Lacustrine) laminated mud mud to boulders, angular, poorly sorted fragments shale many, bioturbation-layers disturbed by movement of organisms breccia varies fine-grained mud shale invertebrates, rare (deep) bone beds Swamp (Paludal) Desert (Aeolian) plant material very well-sorted sand and silt coal plant debris sandstone rare Glacial mud to boulders, poorly sorted breccia (tillite) rare
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