NS 1300 Emergence of Modern Science Chapter #18 Rock Cycle.
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Transcript of NS 1300 Emergence of Modern Science Chapter #18 Rock Cycle.
NS 1300 Emergence of Modern Science
Chapter #18Rock Cycle
Rock Cycle
Types of Rocks
IgneousIntrusiveExtrusivePyroclastic
SedimentaryChemical
Precipitates and Evaporites Fossiliferous
Clastic Sorted Unsorted
MetamorphicFoliatedUnfoliated
Distribution of Elements in the Solar System
Elements in the Sun
Carbonaceous Chondrites
Elements in the Earth’s Core
Elements in the Earth’s Mantle
Elements in the Earth’s Crust
Elements in the Earth’s Hydrosphere and Atmosphere
Minerals in Earths’ Crust
Oxygen = 46.6 %Silicon = 27.7 %Aluminum = 8.1 %Iron = 5 %Calcium = 3.6 %Potassium = 2.8 %Magnesium = 2.6 %All Others = 1.5 %
Mineral Identification
Mineral ClassesSilicatesOxidesCarbonatesSulfidesSulphatesHalidesPhosphatesHydroxidesNative Elements
Using Mineral Properties to Identify Minerals
Luster
Color and Streak
HardnessMoh’s Scale of Hardness
Cleavage
Specific Gravity
Special Properties
Rock Texture
Random Crystalline Texture
Clastic Texture
Foliated Texture
Mineralogic Composition
Igneous Minerals
Sedimentary Minerals
Metamorphism
Recrystallization
Using Texture and Mineralogic Composition to Identify Rocks
Igneous RocksIntrusiveExtrusivePyroclastic
Sedimentary RocksClasticNonclastic
Metamorphic RocksFoliatedUnfoliated
Igneous Rock Texture
PhaneriticCoarse-GrainedMedium-GrainedFine-Grained
AphaniticGlassyVesicularPyroclastic
Porphyritic
Igneous Mineral Composition
FelsicGraniteRhyolite
MaficBasaltGabbro
IntermediateDioriteAndesite
Bowen’s Reaction Series
Continuous Reaction Series
Discontinuous Reaction Series
Using Texture and Mineralogic Characteristics to Identify Igneous Rocks
PhaneriticAmount of QuartzAmount and Type of FeldsparFerromagnesian Minerals
AphaniticTextureColor
PorphyriticPhenocrysts
Sedimentary Rocks
Sediment FormationMechanical and Chemical Weathering
Sediment TransportWater, Ice, Wind and Gravity
Sediment DepositionEnvironment of Deposition
Environment of Deposition
Non-marineTerrigenousLacustrine
MarineLittoralPelagic
Transitional
Clastic Sedimentary Rocks
SortingGrain Size
Boulders Pebbles Sand Silt Clay
Rounding
Classification by Grain Size
UnsortedConglomerateBreccia
SortedQuartz SandstoneArkoseGraywackeSiltstoneShale
BioClastic Sedimentary Rocks
Micritic LimestonePelletal LimestoneOolitic LimestoneChalkFossiliferous LimestoneCoquina
Chemical Sedimentary Rocks
PrecipitatesLimestoneDolomiteTravertineChert
EvaporitesGypsumHalite
Other Compositions
Siliceous Sedimentary Rocks
Dolomite
Coal
Sedimentary Structures
Cross-Stratification
Graded Bedding
Ripple-Marks
Mud Cracks
Metamorphic Processes
Recrystallization
Crystallization
Rotation
Metamorphic Mineral Composition
PeliticShale to Slate to Phylite to Schist to Gneiss
ArenaceousGranite to Schist to Gneiss
MaficAndesite to Schist to Gneiss
CalcareousLimestone to Marble
Conditions of Metamorphism
Contact Metamorphism
Regional Metamorphism
Classification of Metamorphic Rocks
FoliatedSlatePhylliteSchistGneiss
UnfoliatedMarbleQuartzite
Rock Cycle