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Class Notes for Geology at Wilfrid Laurier University

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GL 101 Lecture 22: Resources
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GL101 Lecture 22 Resources December 3, 2015 Metallic Mineral Deposits and Geologic Processes Sedimentassociated hydrothermal deposits Mississippi Valleytype (MVT) deposits oUnusual hydrothermal deposits oMetal bearing brin...

Geology
GL101
Venkipeswaran
GL101 Lecture Notes - Lecture 20: Buoyancy, Subsidence, Ophiolite
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GL101 Lecture 20 Mountain Building November 26, 2015 Mountains in Convergent Margin Settings The Wilson Cycle Tuzo Wilson! Major events during splitting apart and coming together of continental land masses Summarized in 5 ...

Geology
GL101
Venkipeswaran
GL101 Lecture Notes - Lecture 21: Niobium, Chromite, Hydrothermal Vent
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GL101 Lecture 21 Mountain Building and Resources December 1, 2015 The Origin and Evolution of Continents Early evolution of continents (1) oContinental crust formed early in Earths history oLighter minerals migrated to sur...

Geology
GL101
Venkipeswaran
GL101 Lecture Notes - Lecture 19: Mantle Plume, Isostasy, Orogeny
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GL101 Lecture 19 Mountain Building November 24, 2015 Chapter 13: Mountain Building and Continental Frameworks Isostasy: Earth isnt Smooth Isostasy oContinents stand higher than ocean basins oState of gravitational equilibr...

Geology
GL101
Venkipeswaran
GL101 Lecture Notes - Lecture 18: Beno Gutenberg, Seismic Wave, Isostasy
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GL101 Lecture 18 Earthquakes and Mountain Building November 19, 2015 Probing Earths Interior Seismic waves and Earths Structure Earth is not homogeneous The abrupt changes in seismicwave velocities that occur at particular...

Geology
GL101
Venkipeswaran
GL 101 Lecture 17: Earthquakes
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GL101 Lecture 17 Earthquakes November 17, 2015 Seismology Seismology: the study of earthquake waves Seismographs: instruments that record seismic waves Today: record the movement of Earth relative to a stationary mass on a...

Geology
GL101
Venkipeswaran
GL101 Lecture Notes - Lecture 16: Neogene, Klippe, Hypocenter
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GL101 Lecture 16 Crustal Deformation and Earthquakes November 12, 2015 Geologic time scale: Camels Often Sit Down Carefully Perhaps Their Joints Creak (cam, ord, sil, dev, carb, Permian, Triassic, Jurassic, creta) Persiste...

Geology
GL101
Venkipeswaran
GL 101 Lecture 15: Crustal Deformation
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GL101 Lecture 15 Crustal Deformation November 10, 2015 Geologic time scale: Camels Often Sit Down Carefully Perhaps Their Joints Creak Deformation Force, stress and strain oForce changes motion of the rock oStress deforms ...

Geology
GL101
Venkipeswaran
GL101 Lecture Notes - Lecture 14: Archean, Isotopes Of Nitrogen, Structural Geology
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GL101 Lecture 14 Geologic Time Continued, Crustal Deformation November 5, 2015 Eon Era PeriodEpoch Precambrian PreCambrian PhanerozoicPhanerozoic Paleozoic Cambria 54 Ma Mesozoic Jurassic Cenozoic Today *figure 8.12 Dating...

Geology
GL101
Venkipeswaran
GL101 Lecture Notes - Lecture 13: Geologic Time Scale, James Hutton, Phanerozoic
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GL101 Lecture 13 Geologic Time November 3, 2015 Era Period Epoch Precambrian Phanerozoic Paleozoic Mesozoic Cenozoic *will finish chart next class Geologic Time James Hutton recognized the immensity of Earth history in the...

Geology
GL101
Venkipeswaran
GL 101 Lecture 12: Metamorphic Rock and Review Questions
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GL101 Lecture 12 Metamorphic Rock and Review October 27, 2015 Metamorphic Facies and Plate Tectonics Metamorphic facies is defined by a distinctive assemblage of minerals Facies names refer to rocks derived from basalt at ...

Geology
GL101
Venkipeswaran
GL101 Lecture Notes - Lecture 11: Metamorphic Rock, Hornfels, Aureola
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GL101 Lecture 11 Metamorphic Rock October 22, 2015 Burial Metamorphism Burial metamorphism: mild alteration of rock by an increase in temperature and pressure Deep sedimentary basins and ocean trenches, forming lowgrade mi...

Geology
GL101
Venkipeswaran
GL101 Lecture Notes - Lecture 10: Metamorphic Rock, Ripple Marks, Sedimentary Structures
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GL101 Lecture 10 Sedimentary Rocks and Metamorphic Rocks October 20, 2015 *look over figure 6.18 Sedimentary Structures Interpretation of Earths history Types of sedimentary structures: oStrata (beds) layers of sedimentary...

Geology
GL101
Venkipeswaran
GL101 Lecture Notes - Lecture 9: Chert, Coquina, Arkose
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GL101 Lecture 9 Sedimentary Rocks October 8, 2015 Sedimentary Environments Types of Sedimentary Environments [figure 6.2] 1.Continental a.Dominated by erosion and deposition associated with streams b.In frigid environments...

Geology
GL101
Venkipeswaran
GL101 Lecture Notes - Lecture 8: Amphibole, Sediment Transport, Uniformitarianism
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GL 101 Lecture 8 Minerals October 6, 2015 FelsicIntermediateMafic Ultramafic Coarse Granite DioriteGabbroPeridotite (large) grained Intrusive Phaneritic Fine grainedRayoliteAndesiteBasaltRomatite Extrusive Aphanitic More S...

Geology
GL101
Venkipeswaran

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