Chapter 4-1 Crustal Movement * * The EGG Model of the Earth Shell = Crust Very thin compared to entire egg Slimy Skin = Moho Keeps the white from leaking out White ...
STRIKE-SLIP; the rock on either side of the fault s horizontally in ... right-lateral fault: a strike-slip fault in which the block seen across the ...
Crustal Deformation. Take-Away Points. Structures in the earth have practical implications ... Gentle uplifts and downwarps affect the interiors of continents ...
Asthenosphere = partly molten part of upper mantle below the ... Oceanic Crust = basalt rock, dense, thin layer. Continental Crust = granitic rock, less dense, ...
The earth s crust is floating on the denser mantle beneath Domes and Basins 5. Gentle uplifts and downwarps affect the interiors of continents Domes and Basins 5.
Ore Deposits are often localized along faults and folds ... The axial plane of the fold is also at right angles to the direction of greatest compression ...
Fold - Syncline. Dome. Rocks dip away from center. How Do Rock Structures Appear on the Surface? ... Syncline. Compressional Stress. You Should Know...
Hawaiin seamount chain with flexed lithospheric lows. Basins due to stretching ... occur e.g. North Atlantic rifting and emplacement of Tertiary igneous province ...
... Amount of incision decreases to the North Northward propagating welt of uplift produces both a downstream propagating knickpoint that is followed by an ...
Orogeny is the variety of processes that occur during mountain ... Complex Folds, Scotland. Faults, Appalachians. Thrust Faults in Snow. Domes and Basins ...
Deformation All Changes in the original rock form, size, location, ... One sheet 'ramps up' over another. Examples Alps, Appalachians, Juarez Mts., Mexico, Andes ...
FELSIC LAVA - high degree of viscosity, resists flow = violent, often explosive ... Eruptions of felsic lava typically create strato volcanoes, also known as ...
Crustal Movements of Plates The Earth s Structure The Earth s Surface Landforms on the Earth s surface are of all shapes and sizes Different types of landforms ...
Layer of rock forming the solid outer ... oceanic basalt more dense. Original Horizontality. Rock forms in horizontal layers, parallel to the earth's surface ...
Plate Boundaries and Crustal Formations Flip Notes DIVERGENT BOUNDARIES Occurs when two plates are DIVIDING or pulling apart. Crustal Feature: Mid-Ocean Ridge or Rift ...
Most magma differentiation occurs in deep crust where the geotherm exceeds solidus ... ANDESITE ORIGINATES AS FROM DEEP CRUST HOT ZONE AS RESIDUAL MELT FROM ...
Deep Crustal Seismic Transect Ministry of Natural Resources Think big. -Jim Wright Opportunity TRACT: Unique opportunity to link geology with newly acquired ...
Time. Sequence A. Sequence B. 3 4 5 6 7. Magnitude. 2. 1. 0. Log(N) Sequence A ... Two regimes: 1. Forecasting possible. 2. Forecasting not possible. Where is ...
The usefulness of the ... where U is the mean geologic displacement over a fault ... Cannot discriminate seismic from aseismic slip. Geodetic brittle strain: ...
Crustal-scale Deformation and Late Archean Terrane Suturing Southeastern Superior Province Canada ... Geology Tectonic delamination Tectonic delamination: why ?
Title: No Slide Title Author: rtravis Last modified by: Daniel Winester Created Date: 8/23/2000 6:41:53 PM Document presentation format: On-screen Show (4:3)
Title: PowerPoint Presentation Author: Jeff Freymueller Last modified by: Jeff Freymueller Created Date: 7/22/2005 4:34:02 AM Document presentation format
0 deg C for surface; 1300 deg C for base of lithosphere (100 km before thickening) ... Delamination of thickened lithosphere * Result of convective mantle flow ...
Why can mica be easily splitted into thin sheets ? A. mica ... Rocks formed from magma at depth = intrusive, or plutonic rocks. Classification of Igneous rocks: ...
Thermal controls of crustal diapirism: implications for the earliest crust and ... The plausibility of vertical tectonics (and the transition to modern-day ...
National Survey and Cadastre - Denmark. Crustal deformations at permanent GPS sites in Denmark ... Carl Christian Tscherning, University of Copenhagen, ...
For materials which return to their original shape after deformation, elasticity ... The opposite is isotropy which is the same in every direction. ...
U.S. Department of Energy Geothermal Technologies Program Exploration Peer Review Report Project Title: Assembling Crustal Geophysical Data for Geothermal Exploration ...
International Symposium on Geodetic Deformation Monitoring: From Geophysical to Engineering Roles 17 19 March 2005, Ja n (SPAIN) Estimating crustal deformation ...
Title: Growing folds in the Santa Barbara Channel Author: Doug Burbank Last modified by: Crustal Studies Created Date: 10/26/2001 9:01:00 PM Document presentation format
Convection current found here move crustal plates. 5. How does density change as you move towards ... How does salinity affect ocean currents? Water with ...
Strike-Slip Fault- These form at transform boundaries. ... Strike-slip faults are associated with crustal shear. * Title: Earth s Crust Author: Preferred Customer
Chapter 19 - Earthquakes 19.1- Forces within Earth Earthquakes Result of movement of crust produced by Plate tectonics Stress = total force acting on crustal rocks ...
Seismic Hazard Model Seismicity Paleoseismology Local site effects Geologic structure Faults Stress transfer Crustal motion Crustal deformation Seismic velocity ...
Consequences of magmatic intraplating: Crustal melting and magma contamination in the Norwegian Caledonides Calvin Barnes Aaron Yoshinobu Tore Prestvik
U.S. Department of Energy Geothermal Technologies Program Exploration Peer Review Report Project Title: Assembling Crustal Geophysical Data for Geothermal Exploration ...
Orogenesis the processes that collectively produce a mountain ... Airy model of crustal root. 25. Erosion & Isostatic Adjustment. Young Mountains. Thick crust ...
Introduction to Geomagnetism The magnetic record of Earth's history that is frozen into crustal rocks has provided, perhaps, the most important geophysical evidence ...
More Ca-rich plagioclases become progressively unstable as T lowered ... pressure-temperature-time paths based on a crustal thickening heat-flow model. ...
Neotectonics - upper crustal response to plate margin processes ... A record (relict fragments) of plate(s) of the Pacific that are interacting with ...
P-T-t Paths and Their Significance Metamorphic Field Gradient Trend of Thermal Maxima Across Metamorphic Facies Clockwise P-T-t Path P-T-t Path Reflecting Crustal ...