Louisiana State University

What are the three main types of stress? - Answer compression, tension, and shear What type of rock forms through solid-state alteration of a previously existing rock, by heating, pressure, and/or fluid chemistry? - Answer metamorphic Which numbered site is likely to have a thin sequence of sediments over crystalline rocks of the basement? - Answer 2, the continental platform The southern San Andreas fault near Los Angeles is considered a candidate for a major earthqua...

What is geology? - Answer study of ancient seas, rivers, and other environments, organisms that inhabit such environments, the formation and destruction of ranges and other landforms What are the layers of the earth? - Answer the crust, the mantle, the outer core, and the inner core What is the continental shelf? - Answer a fringe of shallow sea floor between continental crust and oceanic crust What is continental crust? - Answer forms major landmasses on earth; ...

Layers of the Earth - Answer crust, mantle, outer core, inner core The lithosphere is (blank) than the asthenosphere. - Answer stronger The asthenosphere is (blank) than the lithosphere. - Answer weaker The lithosphere consists of - Answer crust and uppermost mantle What are the two types of crust? - Answer oceanic and continental A region generally is higher than an adjacent region if (blank) than in the adjacent region. - Answer the crust is t...

What are the characteristics of porosity or permeability? - Answer -Porosity is a measure of the amount of the substance composed of empty spaces -Permeability is a measure of how well the pores are connected Porosity/Permeability - Answer Porosity describes the proportion of rock or sediment volume made up of pores (empty spaces), whereas permeability is a measure of the connectedness of pores and the ability of these pores (and fractures) to form conduits through the material. ...

E - Answer CHAPTER 1 A region generally is higher than an adjacent region if __________ than in the adjacent region. A. the crust is cooler b. the crust is more dense c. the lithosphere is thicker d. the lithosphere is cooler e. the crust is thicker D - Answer CHAPTER 1 A dry climate might impact how people live by increasing: a. the risk of drought and other water shortages. b. irrigation needs. c. the likelihood of volcanic activity. d. the likelihood of earthquak...

What are the types of igneous rock textures? - Answer Aphanitic, Glassy, Pegmatitic, Phaneritic, Porphyritic, and Pyroclastic Bowen's reaction series of melting - Answer Felsic minerals melt before mafic minerals Bowen's reaction series of crystallization - Answer Minerals crystalize in the opposite order from which they melt What are 3 ways to melt a solid rock? - Answer Heating, Decompression, Adding water How could changing temperature or pressure cau...

How are igneous rocks formed? - Answer Formed from solidification of magma/lava. What does intrusive and extrusive igneous rock mean? - Answer Intrusive: cooled slowly beneath Earth's surface. Extrusive: cooled quickly on Earth's surface. What are batholiths? - Answer A mass of rock formed when a large body of magma cools inside the crust What are laccoliths? - Answer domed shaped masses of igneous rock What are sills? - Answer Cracks created by th...

If rock is exposed to enough heat after metamorphism, it will eventually - Answer melt into magma. This figure shows the main subdivisions of the geologic timescale. Which of these is the Cenozoic? - Answer most current - our time This figure shows plate boundaries south of Alaska. Which location(s) is(are) likely to contain volcanoes above a subduction zone? - Answer 1 Mid-ocean ridges are elevated above the sea floor. The elevation of the sea floor - Answer dec...

Bowen's Reaction Series 1 - Answer Olivine BRS 2 - Answer Pyroxene BRS 3 - Answer Amphibule BRS 4 - Answer Biotite BRS 5 - Answer Muskovite BRS 6 - Answer K feldspar BRS 7 - Answer Quartz Two ways to classify the earth - Answer Physical and chemical Physical earth layer 1 - Answer Lithosphere 150 km Physical earth layer 2 - Answer Asthenosphere 400-600 km Physical earth layer 3 - Answer Mesosphere ...

The three types of tectonic plate boundaries are - Answer Divergent, convergent, and transform The Lithosphere is made up of - Answer the crust and the upper most part of the mantle which layers of the earth are liquid? - Answer outer core The distinction between the crust and mantle is primarily different in ______. - Answer Chemical composition (mineral content) The distinction between the lithosphere and the asthenosphere is primarily on the basis of a diff...