Attachment # 00006497 - GEO101L_Module_4_Lab-Rock_Descriptions.xlsx
GEO101L_Module_4_Lab-Rock_Descriptions.xlsx (11.4 KB)
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NamePropertiesPresentGrain Visibility1. IgneousTexture/compositionObviousQuartz PresentQuartz AbsentGlassyVesicular (pourous)Fine grainsGraniteDioriteObsidianScoriaPumiceBasaltRhyoliteLarge grained; peachy-pink grains of orthoclase and the transparent grains of quartzSimilar to granite, but not orthoclase or quartzBlack; glassy textureDark in color; porousLight in color; porousDark gray-black; only very small crystals visibilePeachy-pink; only very small crystals visibile2. SedimentaryGrain SizeNot ObviousBrecciaConglomerateFossiliferous LimestoneCoquinaSandstoneOolitic LimestoneVisibleGrains are Not ShellsGrains are ShellsGrain TypeGrains are LargeGrains are Not LargeLarge angular grainsLarge rounded grainsFossils imbedded in considerable matrixFossils imbedded in very little matrixDoes not react to acidReacts to acidShaleChertPetrified WoodNot VisibleThinly beddedVery smooth and angularCharacteristics of wood preserved3. MetamorphicBandingVisibileAbsentGneissMarblePhylliteGarnet schistSlateGrains align in bandsGranular; will effervesce in acidFine, but visible grainsLarge, 12-sided garnets imbedded in matrixDark colored; flat on top and bottom

Identify the following rocks using the Key provided. Place the names with the appropriate number.

Question # 00080921 Posted By: vikas Updated on: 07/09/2015 06:42 AM Due on: 08/12/2015
Subject Geography Topic General Geography Tutorials:
Question
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Identify the following rocks using the Key provided. Place the names with the appropriate number.

Basalt, Breccia, Chert, Conglomerate, Coquina, Diorite, Fossiliferous Limestone, Garnet schist, Gneiss, Granite, Marble, Obsidian, Oolitic Limestone, Petrified Wood, Phyllite, Pumice, Rhyolite, Sandstone, Scoria, Shale, Slate

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References

Lutgens, F.K., Tarbuck, E.J., and Tasa, D. (2015). Foundations of Earth Science(7th ed.) Prentice Hall, Boston.

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Tutorials for this Question
  1. Tutorial # 00075595 Posted By: vikas Posted on: 07/09/2015 06:42 AM
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    The solution of Identify the following rocks using the Key provided. Place the names with the appropriate number....
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    GEO101L_Lab4_Answer_sheet_-_Rocks.docx (12.08 KB)
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