olivia Earthquake Re..
... the USGS, “the Nazca plate moves slightly north of eastwards at a rate varying from approximately 80mm/yr in the south, to approximately 65 mm/yr in the north.” ...
... the USGS, “the Nazca plate moves slightly north of eastwards at a rate varying from approximately 80mm/yr in the south, to approximately 65 mm/yr in the north.” ...
Proterozoic Evolution of the Western Margin of the
... David Mogk - Montana State University, Joe Wooden - U.S. Geological Survey The Great Falls tectonic zone is dominantly ~1.85 Ga crust deformed at ~1.77 Ga. ...
... David Mogk - Montana State University, Joe Wooden - U.S. Geological Survey The Great Falls tectonic zone is dominantly ~1.85 Ga crust deformed at ~1.77 Ga. ...
The New Zealand convergent tectonics system has
... evolve from shallow levels to deep in the lithosphere as well as reveal the role of fluids in promoting rock failure by several mechanisms. Few subduction zones exhibit purely head-on meeting of the plates, but involve a strong proportion of strike-slip movement. Seriously damaging earthquakes in th ...
... evolve from shallow levels to deep in the lithosphere as well as reveal the role of fluids in promoting rock failure by several mechanisms. Few subduction zones exhibit purely head-on meeting of the plates, but involve a strong proportion of strike-slip movement. Seriously damaging earthquakes in th ...
Quiz 4: Transform faults and Polar Wander (Ch. 4
... Subduction zones, yes, because they can partition the motion on multiple fault systems. Ridges are always normal to extension and strike slip plate boundaries tend to be andersonian or nearly. ALTERNATE ANSWER BECAUSE I WROTE THE QUESTION THAT COULD BE INTERPRETED TWO WAYS: transform faults take up ...
... Subduction zones, yes, because they can partition the motion on multiple fault systems. Ridges are always normal to extension and strike slip plate boundaries tend to be andersonian or nearly. ALTERNATE ANSWER BECAUSE I WROTE THE QUESTION THAT COULD BE INTERPRETED TWO WAYS: transform faults take up ...
How do subduction zones end?
... northern South Island. A hinge between the rapidly rotating Hikurangi subducting margin and the more stable Tonga-Kermadec subduction zone cuts through Northeastern North Island. Finally, deep Benioff zones beneath all these regions provide an excellent geometry for seismic probing of the overlying ...
... northern South Island. A hinge between the rapidly rotating Hikurangi subducting margin and the more stable Tonga-Kermadec subduction zone cuts through Northeastern North Island. Finally, deep Benioff zones beneath all these regions provide an excellent geometry for seismic probing of the overlying ...
presentation source
... The Mont Cervin (or Matterhorn) is a klippe of South Alpine continent standing above a flat ophiolite bearing suture zone. ...
... The Mont Cervin (or Matterhorn) is a klippe of South Alpine continent standing above a flat ophiolite bearing suture zone. ...
Carib PISI Stern GSA Denver 2016
... The VGG reveals the extinct spreading ridges and fracture zones as well as a significant change in amplitude across the boundary between continental and oceanic crust (COBs). This is a Mercator projection; grayscale saturates at T20 eotvos units. (Sandwell et al., 2014) ...
... The VGG reveals the extinct spreading ridges and fracture zones as well as a significant change in amplitude across the boundary between continental and oceanic crust (COBs). This is a Mercator projection; grayscale saturates at T20 eotvos units. (Sandwell et al., 2014) ...
plate_tectonics302b
... • major continental collisions in central Asia • Australian-SE Asian collisions ...
... • major continental collisions in central Asia • Australian-SE Asian collisions ...
Andes Mountains - EKU Biological Sciences
... There is no universal agreement about the major north-south subdivisions of the Andes system. For the purposes of this discussion, the system is divided into three broad categories. From south to north these are the Southern Andes, consisting of the Chilean, Fuegian, and Patagonian cordilleras; the ...
... There is no universal agreement about the major north-south subdivisions of the Andes system. For the purposes of this discussion, the system is divided into three broad categories. From south to north these are the Southern Andes, consisting of the Chilean, Fuegian, and Patagonian cordilleras; the ...
Sedimentary Basins related to Volcanic Arcs
... lie behind the magmatic arc often the site of extension & thinning of crust may overlie either ocean or continental crust oceanic back-arc basins are eventually subducted and destroyed, or preserved in thrust complexes related to ocean closure. • back-arc basins on continental crust - more varied fa ...
... lie behind the magmatic arc often the site of extension & thinning of crust may overlie either ocean or continental crust oceanic back-arc basins are eventually subducted and destroyed, or preserved in thrust complexes related to ocean closure. • back-arc basins on continental crust - more varied fa ...
Tectonic climate controls
... huge Chuquicamata and Escondida deposits) and yet the area lies in the Atacama Desert, one of the driest places on Earth. The onset of this dry climate is thought to relate to uplift of the Andes mountains, which created a rain shadow on their western side. This raises fundamental questions about ho ...
... huge Chuquicamata and Escondida deposits) and yet the area lies in the Atacama Desert, one of the driest places on Earth. The onset of this dry climate is thought to relate to uplift of the Andes mountains, which created a rain shadow on their western side. This raises fundamental questions about ho ...
Science CH 6 Lesson 4
... • During subduction, pieces of rock are scraped off the bottom plate, called accretion. • They accumulate and eventually form mountain chains called accreted terranes. • California’s coastal mountains where formed by accreted terranes. • California’s gold was collected in its rocks this way. ...
... • During subduction, pieces of rock are scraped off the bottom plate, called accretion. • They accumulate and eventually form mountain chains called accreted terranes. • California’s coastal mountains where formed by accreted terranes. • California’s gold was collected in its rocks this way. ...
Structural interpretation of Ceuta field, lake Maracaibo, Venezuela
... used for the structural interpretation of the area, until now omly (VST, considered as a result of strike slip tectonics 1986). The present interpretatisn considers the strike slip deformation of the Pueblo Viejo fault as an event assoeiated to the structural inversion, and due to block rotations. ...
... used for the structural interpretation of the area, until now omly (VST, considered as a result of strike slip tectonics 1986). The present interpretatisn considers the strike slip deformation of the Pueblo Viejo fault as an event assoeiated to the structural inversion, and due to block rotations. ...
Alpine–Himalayan orogenic belt
... • One manifestation – of on-going tectonic activity in South America – is the Andes Mountains – with more than 49 peaks higher than 6000 m ...
... • One manifestation – of on-going tectonic activity in South America – is the Andes Mountains – with more than 49 peaks higher than 6000 m ...
Magmatic and non-magmatic history of the Tyrrhenain backarc
... transitions along a magmatic-type crust to a region where the mantle is exhumed and locally intruded by basalts. This basement configuration is at odds with current knowledge of rift systems and implies rapid variations of strain and magma production. To understand these processes and their implicat ...
... transitions along a magmatic-type crust to a region where the mantle is exhumed and locally intruded by basalts. This basement configuration is at odds with current knowledge of rift systems and implies rapid variations of strain and magma production. To understand these processes and their implicat ...
David Foster - University of Florida Paul Mueller
... What is the Lewis and Clark line & other tectonostratigraphic boundaries? Implications of recently recognized widespread Neoproterozoic rocks west of Belt basin in Idaho Was the margin truncated What age is the reentrant? – Neoprotoeroic or Mesozoic or both ...
... What is the Lewis and Clark line & other tectonostratigraphic boundaries? Implications of recently recognized widespread Neoproterozoic rocks west of Belt basin in Idaho Was the margin truncated What age is the reentrant? – Neoprotoeroic or Mesozoic or both ...
• earthquake locations define plate boundaries. • subduction of
... midoceanic ridges and intraplate earthquakes are mostly weaker ...
... midoceanic ridges and intraplate earthquakes are mostly weaker ...
SEDIMENTARY BASINS - AN INTRODUCTION Definition of a
... One plate is usually subducted beneath the other at a convergent plate boundary. Convergent boundaries may be of different types, depending on the types of lithosphere involved. This results in a wide diversity of basin types formed at convergent boundaries. Transform boundaries form where plates mo ...
... One plate is usually subducted beneath the other at a convergent plate boundary. Convergent boundaries may be of different types, depending on the types of lithosphere involved. This results in a wide diversity of basin types formed at convergent boundaries. Transform boundaries form where plates mo ...
Continental drift script (version 2) File
... ✦ A polar ice cap pertaining to the carboniferous period is speculated to have covered the southern tip of supercontinent Pangaea. Even today, scientists can find primitive glacial deposits of this same ice cap scattered on different continents. ✦ A careful study reveals a continuity in location of ...
... ✦ A polar ice cap pertaining to the carboniferous period is speculated to have covered the southern tip of supercontinent Pangaea. Even today, scientists can find primitive glacial deposits of this same ice cap scattered on different continents. ✦ A careful study reveals a continuity in location of ...
The Laramide Orogeny - University of Nevada, Reno
... motions (e.g. Stüwe, 2002); this model, therefore, requires that horizontal normal compressive stresses applied by ridge-push from the mid-Atlantic spreading center must have been sufficient to drive Laramide orogenesis. However, it is not apparent why ridge-push would only have driven orogenesis du ...
... motions (e.g. Stüwe, 2002); this model, therefore, requires that horizontal normal compressive stresses applied by ridge-push from the mid-Atlantic spreading center must have been sufficient to drive Laramide orogenesis. However, it is not apparent why ridge-push would only have driven orogenesis du ...
The Laramide Orogeny: What Were the Driving Forces?
... motions (e.g. Stüwe, 2002); this model, therefore, requires that horizontal normal compressive stresses applied by ridge-push from the mid-Atlantic spreading center must have been sufficient to drive Laramide orogenesis. However, it is not apparent why ridge-push would only have driven orogenesis du ...
... motions (e.g. Stüwe, 2002); this model, therefore, requires that horizontal normal compressive stresses applied by ridge-push from the mid-Atlantic spreading center must have been sufficient to drive Laramide orogenesis. However, it is not apparent why ridge-push would only have driven orogenesis du ...
GEOL100 4-5-10 Historical Geology of North America
... Cenozoic - Basin and Range extension Finally, during the early Cenozoic, eastern North America rifted from what we now call Eurasia, opening the gateway between the Altantic and Arctic oceans. In the west, the two continents remain connected. Starting around 40 million years ago, the western edge of ...
... Cenozoic - Basin and Range extension Finally, during the early Cenozoic, eastern North America rifted from what we now call Eurasia, opening the gateway between the Altantic and Arctic oceans. In the west, the two continents remain connected. Starting around 40 million years ago, the western edge of ...
Evolutionary cycles during the Andean orogeny
... herein represents the base for the modern Andean evolution, and it is stressed that its tectonomagmatic and geochemical features are integral parts of repeated evolutionary patterns affecting the entire north Chilean Andean orogeny (200 Ma–Present). Like the present subhorizontal subduction segments ...
... herein represents the base for the modern Andean evolution, and it is stressed that its tectonomagmatic and geochemical features are integral parts of repeated evolutionary patterns affecting the entire north Chilean Andean orogeny (200 Ma–Present). Like the present subhorizontal subduction segments ...
Name: Class: Date: Convergent Boundaries (All answers must be in
... are the deepest parts of the ocean floor and are created by subduction. Off the coast of South America along the Peru-Chile trench, the oceanic Nazca Plate is pushing into and being subducted under the continental part of the South American Plate. In turn, the overriding South American Plate is bein ...
... are the deepest parts of the ocean floor and are created by subduction. Off the coast of South America along the Peru-Chile trench, the oceanic Nazca Plate is pushing into and being subducted under the continental part of the South American Plate. In turn, the overriding South American Plate is bein ...
Garzione, C. N., P. Molnar, J. C. Libarkin, and B. J. MacFadden (2007), Reply to Comment on
... occurred by lower crustal flow (Husson and Sempere, 2003), but we imagine that this process would have been aided by the removal of mantle lithosphere beneath the Eastern Cordillera and/or southern Altiplano and Puna through the development of greater gravitational potential energy per unit area bet ...
... occurred by lower crustal flow (Husson and Sempere, 2003), but we imagine that this process would have been aided by the removal of mantle lithosphere beneath the Eastern Cordillera and/or southern Altiplano and Puna through the development of greater gravitational potential energy per unit area bet ...