The study area was located within a subtropical trade-wind belt in which the ... Galena-Trenton-Lexington Shelves. Sites of shallow, epeiric sedimentation ...
U-Pb ages of detrital zircons (DZ) in 20 samples of Triassic fluvial sandstone ... Sample was crushed and pulverized using a jaw crusher and roller mill ...
Alps and Pyrenees form. The modern patterns of Planet Earth appear. Atlantic continues to open. ... Pacific Rise and a great extensional event, the Basin and ...
Early Carboniferous 350 My - huge shelf areas around Laurentia. Late Carboniferous 320 - Pangea is the new supercontinent including Laurentia and Gondwana ...
Laurentia collides with Baltica closing the northen branch of ... Niagara Falls. Part of Tippecanoe Sequence. EARLY PALEOZOIC EVENTS. SILURIAN PALEOGEOGRAPHY ...
Appalachians. Rocks thrust up over margin of Laurentia ... Physiographic provinces Appalachians. Ouachita Orogeny. Also Late Paleozoic Gondwana collision ...
The Proterozoic Eon: Top Ten Significant Events Plate tectonics occurred similar to modern rates Accretion at continental boundaries Assembly of Laurentia; and two ...
The Late Paleozoic Era Geology 103 Sea level changes Kaskasia transgression starts in Devonian, continues to the end of the Mississippian Absaroka transgression ...
Greek for 'builder', tekton ... Hartland volcanic island arc forms behind subduction zone ... Note lines of hills in central Long Island and along North Shore. ...
... the oldest known complete ophiolite providing evidence for an ancient convergent plate boundary is the Jormua complex in Finland It is about 1.96 billion ...
Mobile belts. located along the margins of continents, receive ... Caledonian Orogeny occurred along the west border of Baltica. Appalachian Mobile Belt ...
Consequences of magmatic intraplating: Crustal melting and magma contamination in the Norwegian Caledonides Calvin Barnes Aaron Yoshinobu Tore Prestvik
Proterozoic rocks are generally less meta-morphosed than Archean rocks. ... of smaller plates with craton leaving linear or arcuate deformation belts. ...
Title: PowerPoint bemutat Author: selmeczi Last modified by: Cserny Tibor Created Date: 2/5/2004 7:53:39 AM Document presentation format: Diavet t s a k perny re
Ch. 23 Sec. 2 The Mesozoic Era * * * * * * * * * * * * * * * * * Reptiles became the dominant terrestrial animals during the Mesozoic while Pangaea broke apart.
Trans-Hudson Orogen. Includes a sedimentary record of: ... Trans-Hudson Orogen. THE LESS-PRIMORDIAL EARTH. The Paleoproterozoic Era. Paleoproterozoic Ice Age ...
Broad clastic wedges & tectonic fluctuations... = different types of deposition from Kaskaskia. ... The final eastern margin tectonic event Ouachita Orogeny. ...
Early/late Paleozoic Geology Chapter 10 and 11 Last time Phanerozoic Eon Paleozoic Era Cambrian Ordovician Silurian Last time Sequences Order of rock types Regression ...
in Glacier National Park, Montana. The angular peaks, ridges and broad ... in large alluvial fans. that grade into sandstone and shale. with increasing distance ...
Stress & Strain Structural geology & Plate tectonics Iapetus - the Old Lost Sea The Ordovician Atlantic Iapetus in Wales The Welsh Basin Palaeozoic marine mudstones ...
U-Pb ages of detrital zircons (DZ) in Jurassic eolian (Aztec, Bluff, Entrada, ... 300 Ma derived potentially from the coeval Cordilleran magmatic arc form only ~1 ...
Barred basin restricts sea water input Organic reefs Raised sill Submerged bar Barred Basin Model Michigan Basin Salt Face Way Out West : Events in ...
the position of sedimentary belts that formed along the edges of continents when ... A 'proto-Atlantic' called Iapetus is created along east coast of N. America. ...
The Early Paleozoic Era Geology 103 Precambrian Washington doesn t exist In fact, you d have to go to the Idaho-Montana border to see rocks of Precambrian age ...
Plate tectonics caused microcontinents to collide and fuse throughout the Proterozoic. ... Earth's first supercontinent formed at the end of the Proterozoic. ...
... the Alleghenian in N. America By the Late Permian Pangea is complete Kaskaskia Sequence Oriskany sandstone- initial transgression Devonian Clastics- material ...
Lower Carboniferous in. Europe and Canada. THE MISSISSIPPIAN. THE MISSISSIPPIAN ... Upper Carboniferous in. Europe and Canada. THE PENNSYLVANIAN. THE PENNSYLVANIAN ...
*It includes the Rocky Mountain range! Andes The Andes Mountains are located in South America, running north to south along the western coast of the continent.
Important events Breakup of Pangaea Begins ~200 million years ago Formation of rift valleys Oceans widen Gulf of Mexico formation Cretaceous epicontinental seas