Metamorphic Rocks. What is a metamorphic rock? Rocks, either igneous, sedimentary, and/or metamorphic, that have been changed in size, shape, texture, and even mineralogy by the application of heat, pressure, and chemically active fluids . Metamorphic Rocks. Metamorphic Rocks.By kairos
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Young Tectonic Events in Martian Chaotic Terrain. A faulted landslide is an example of recent subsidence and tectonic activity in Aureum Chaos, Mars The feature is estimated to be less than 2 million years old--very modern in Martian geologic time
Acoustic Monitoring of Transient Volcanic and Tectonic Events. Ocean seismicity can be placed into two categories: Magmatic: Earthquakes associated with volcanic activity on mid-ocean ridges (dike emplacement), hotspots, or island-arc volcanoes (this lecture)
Earth 238-25. Rifting and Extensionnal Tectonics. *Tectonic extension : crustal scale extension in the horizontal plane (parallel to the surface of earth). Crustal thinning *Extension in general: (stretching, elongation). Increase in lenght of a line or a distance between two points.
The continental rifting process. a. q. Kk. Continental Crust. Rifting. Spreading Center. Trench. Subduction. Basalt. Volcanic Arc. Granite. Accretionary Prism. Oceanic Crust. Partial melting occurs when some minerals melt
Tectonic Plates. By: Jax Cooper. Pangaea. •The Theory of Pangaea Is that 300 million years ago, all the continents were once connected. • The ‘super continent’ idea was not accepted by scientist because Wegner did not have enough proof that this had happed such a long time ago.
TECTONIC THEORY. PANGEA. Alfred Wegener was a German climatologist and arctic explorer who suggested the concept of continental drift . Continental drift is the idea that the continents move around on Earth’s surface. PANGEA.
Tectonic Processes. Q. Which of the four spheres are we going to examine?. Layers of the Earth - see page 3 or workbook. Lithosphere. brittle outer layer of the Earth that includes the crust and uppermost mantle
TECTONIC LANDSCAPES. When you answer a question that requires a longer answer, remember the PEEL technique. P. Make your POINT. E. Give your EVIDENCE. E. EXPLAIN your evidence. L. If possible, LINK to your next statement or the original point.