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What We Actually See
What Does This Look Like?
Andes – True Scale
Where Does Ocean Crust Go? Hugo Benioff, 1954 1. How we know plate tectonics happens
Benioff’s Interpretation 1. How we know plate tectonics happens
Benioff’s Interpretation Updated 1. How we know plate tectonics happens
How Plates Move
A Subduction Zone
Subduction and Metamorphism
Why Mountains are High
Where the Plates Meet
Terranes in Western North America
Subduction Zone Rocks
Steinmann Trinity (1905) Serpentinite Pillow Basalt Radiolarian Cherts Characteristic of ophiolite settings Other Distinctive Rocks – Graywacke and Flysch – Blueschist
Magnesite Mines in Serpentinite
Molasse and the High Alps
Wisconsin 2 Billion Years Ago
1900 MY Penokean Orogeny
Before the Penokean Orogeny
Marshfield Terrane Collides
Assembling North America
1700 MY Granite and Rhyolite
Baraboo Interval Quartzites
1450 MY Wolf River Batholith
Wolf River Batholith
1100 MY Mid-Continent Rift
The Grenville Orogeny Begins
The Grenville Orogeny
A Subduction Zone
How Arcs Grow
Continental Drift and Plate Tectonics. The Permian Ice Age Problem.
Continental Drift and Plate Tectonics. Take-Away Points 1.How we know plate tectonics happens 2.Most earthquakes and volcanoes occur along plate boundaries.
Earth History GEOL 2110 The Mesozoic Era Geologic and Tectonic History of the North American Cordilleran.
Continental Drift and Plate Tectonics. Global Problems in Geology Distribution of Continents Mid-ocean Ridges Trenches Orogenic Belts Deformation Metamorphism.
Precambrian Geology. Comprises 88% of geologic time Precambrian has 2 Eons Geology hard to Study... Preserved rocks are metamorphosed Very few.
Tectonics in Wisconsin Presentation originally created by Dr. Dyanna Czeck, UW-Milwaukee (Slides #3, 4 and 5 are from NICE (Northern Interior Continental.
Plate Tectonics and Western North America. Magnetic Stripes off Pacific Coast.
California Rock Stories Linking tectonics to rock formation Ellen Metzger BAESI – October 8, 2011.
Development of Continental Drift Frank Taylor (1910) Alfred Wegener (1912) Die Entstehung Der Kontinente Und Ozeane.
Formation of The Earth. Composition of the Sun The Most Unusual Element Administratium (Ad) No protons: Atomic Number Zero One neutron 27 Assistant neutrons.
Crustal Deformation and Mountain Building. Behavior of rocks to stress & strain Elastic –Elastic limit Plastic Brittle Stress Strain.
OPHIOLITE Ophiolite (Gk. Ophio – snake; lite- stone from Gk. Lithos) Ophiolite- distinctive assemblage of mafic plus ultramafic rocks; fragments of oceanic.
Structure of a Continent Figure How are continental plates formed? Figure 13-4.
The Growth of Western North America Exotic Terranes Photo of Mt Shuksan by Patti Bleifuss.
1 Chapter 9 Continental Tectonics and Mountain Chains.
1. California Rock Stories Linking tectonics to rock formation 2. Geologic History of California: Part II Ellen Metzger BAESI – July 2012 Source of photos:
Evolution of Continental Crust Chapter 10. Hypsographic Curve.
Mountain building & the evolution of continents Chapter 20 1.Mountain belts 2.Mountain building 3.Continental accretion 4.Uplift, Basin and Range, Southern.
Geology of Costa Rica. Geologic Hazards Earthquakes Tsunami Volcanism Slope Hazards.
Using the following key words, draw a constructive plate margin on your white board and label correctly Constructive Plate Margins - Revision Sea floor.
Plate Tectonics. How many lithospheric plates are there on the earth?
The Growth of Western North America - Part II The Insular Superterrane, North Cascades & San Juan Islands.
Plate Tectonic Model Did you read chapter 30 before coming to class? A.Yes B.No.
Chapter 9 Precambrian Earth History— The Proterozoic Eon.
Lab 4: The movement of the Earth’s Lithospheric Plates.
Bell Work10/08/13 What features do scientists use to mark the boundaries (edges) of the lithospheric plates (plate boundaries)? Mid Ocean Ridges and deep.
Plate Boundaries. Earth’s outer layer is divided into many strong, moving lithospheric plates lithospheric Tectonic Plates Plate Tectonics.
Tectonic Plate Boundaries and Their Effects. Divergent Boundaries: Examples are East African Rift and Mid-Atlantic Ridge.
Connecticut’s Geological History. Marble & Quartzite Schist Sandstone & Basalt Schist.
Ch. 20 Sec. 2 Orogeny Convergence causes the crust to thicken and form mountain belts. Orogeny Section 20.2 island arc: a line of islands that forms.
Chapter 20 Review Mountain Building. Which section of the diagram best represents the most common elevation range of areas that are above sea level? 1.A.
Types of plate boundaries Divergent plate boundary Oceanic spreading ridge Continental Rift zone New rock produced Convergent plate boundary Oceanic-oceanic.
Phanerozoic Tectonic Evolution of the Chukotka-Arctic Alaska Block: Problems of the Rotational Model Boris A. Natal’in Istanbul Technical University.
North Cascades Western Domain Metamorphic Core Methow Domain.
Plate Tectonics. Plate tectonics describes the motion of Earth’s plates. Movement of plates can cause earthquakes!
1) 1) If erosion stripped off the top of a dome, what would be found? a. The oldest rocks are exposed in the center. b. The oldest rocks are exposed along.
Plate Tectonics Tectonic Plates of the Earth. Plate tectonics Today we will explore…. Different type of Plates Different types of Plate Boundary (where.
The Rock Cycle Revisited Chapter 11 Geology Today Barbara W. Murck & Brian J. Skinner N. Lindsley-Griffin, 1999 MOUNT EVEREST, HIMALAYA MTNS.
Continental Growth. Most continents used to be smaller. Through tectonic processes, rock has been added to continents.
Announcements: Final Exam Monday, Dec. 16, 11-1 this room.
Rodinia, Rifting, Iapetus and the Great American Bank.
Rock and the Rock Cycle California Rock Stories Linking tectonics to rock formation Ellen Metzger BAESI – November 19, 2011.
Theory of Plate Tectonics Plate Tectonics Plate Boundaries Causes of Plate Tectonics.
Chapter 10, Section 2 Chapter 10, Section 3. Key Terms Create a flashcard for each of the following terms (found on p.255 in your text book). Rifting.
EARTH IN MOTION: EARTHQUAKES AND VOLCANOES Student Notes Ms. Percy CGC1D1.
Plate Tectonics Chapter - 8 The lithosphere is broken into rigid plates that move in relationship to one another on the asthenosphere (see page
A very brief overview of the rest of the U.S. Cordillera (not California and not Cenozoic) Basil Tikoff University of Wisconsin-Madison Goal: Give an overview.
3 Types of Metamorphism Miss Holl Rowland High School October 24, 2006.
A summary of plate boundaries and igneous activity Type of boundarySurface featuresIgneous activityExamples Constructive OP Destructive CP-OP Destructive.
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