Notes_-_Earths_Layers
... Chemical composition: rocks rich in iron and magnesium silicates Common rock types: basalt, obsidian, gabbro Rocks are more dense, darker in color than continental crust Mantle Lies underneath the crust 2900 Km thick The lithosphere is a zone made of the upper mantle and entire crust. It ...
... Chemical composition: rocks rich in iron and magnesium silicates Common rock types: basalt, obsidian, gabbro Rocks are more dense, darker in color than continental crust Mantle Lies underneath the crust 2900 Km thick The lithosphere is a zone made of the upper mantle and entire crust. It ...
Metamorphic Rocks - Geology
... made of calcite • If multiple minerals are present in the parent rock, the new metamorphic rock may have different minerals. Ex: shale contains clay minerals, quartz & feldspar. During metamorphism, these minerals change to chlorite. ...
... made of calcite • If multiple minerals are present in the parent rock, the new metamorphic rock may have different minerals. Ex: shale contains clay minerals, quartz & feldspar. During metamorphism, these minerals change to chlorite. ...
Relative Age Dating
... faunal succession of fossil assemblages to correlate distant rock beds to each other. These correlations led to the construction of the geologic time scale, a global record of rocks and their relative ages. However, before geologists can correlate the ages of rocks from different areas, they must fi ...
... faunal succession of fossil assemblages to correlate distant rock beds to each other. These correlations led to the construction of the geologic time scale, a global record of rocks and their relative ages. However, before geologists can correlate the ages of rocks from different areas, they must fi ...
Relative Dating: Which Rock Layer Formed First
... fossils. Geologists were able to use the faunal succession of fossil assemblages to correlate distant rock beds to each other. These correlations led to the construction of the geologic time scale, a global record of rocks and their relative ages. However, before geologists can correlate the ages of ...
... fossils. Geologists were able to use the faunal succession of fossil assemblages to correlate distant rock beds to each other. These correlations led to the construction of the geologic time scale, a global record of rocks and their relative ages. However, before geologists can correlate the ages of ...
Petrogenesis of Oxidized Arfvedsonite Granite Gneiss from Dimra
... The arfvedsonite granite gneiss of Dimra Pahar occurs along the North Purulia Shear Zone (NPSZ) which pivots the Proterozoic Chotannagpur Gneissic Complex (CGC), Eastern India. Although minerals like arfvedsonite and aegirine depict the peralkaline nature of the pluton, the geochemistry of the rock ...
... The arfvedsonite granite gneiss of Dimra Pahar occurs along the North Purulia Shear Zone (NPSZ) which pivots the Proterozoic Chotannagpur Gneissic Complex (CGC), Eastern India. Although minerals like arfvedsonite and aegirine depict the peralkaline nature of the pluton, the geochemistry of the rock ...
Plate Tectonic Jeopardy Review
... One recent piece of evidence for sea-floor spreading is age of rock near mid-ocean ridge. This is the other one. ...
... One recent piece of evidence for sea-floor spreading is age of rock near mid-ocean ridge. This is the other one. ...
The Rock Cycle - PAMS
... Aphanitic: fine grained (basalt) very small interlocking crystals, very difficult to see with the “naked” eye Phaneritic: coarse grained (granite) interlocking crystals roughly the same size Porphyritic (Trachtye) large crystals scattered on a background of smaller crystals Felsic: light colored ...
... Aphanitic: fine grained (basalt) very small interlocking crystals, very difficult to see with the “naked” eye Phaneritic: coarse grained (granite) interlocking crystals roughly the same size Porphyritic (Trachtye) large crystals scattered on a background of smaller crystals Felsic: light colored ...
fundamentals of earth history
... A. Organizing the Rock Record B. Stratigraphic Principles 1. horizontality 2. superposition 3. lateral continuity 4. cross-cutting relationships C. Interpreting the Rock Record 1. formations 2. present as a key to the past = uniformitarianism 3. facies & Walther’s Law 4. Unconformities D. The Geolog ...
... A. Organizing the Rock Record B. Stratigraphic Principles 1. horizontality 2. superposition 3. lateral continuity 4. cross-cutting relationships C. Interpreting the Rock Record 1. formations 2. present as a key to the past = uniformitarianism 3. facies & Walther’s Law 4. Unconformities D. The Geolog ...
Geol 201 - American University of Beirut
... This course is designed to provide the basic principles, and fundamental concepts of the various aspects of geological sciences. Emphasis will be on the internal structure of the Earth, properties of minerals, mineral groups, formation and behaviour of earth materials, description, classification, a ...
... This course is designed to provide the basic principles, and fundamental concepts of the various aspects of geological sciences. Emphasis will be on the internal structure of the Earth, properties of minerals, mineral groups, formation and behaviour of earth materials, description, classification, a ...
Review Questions, Chapter 7, 12th Ed.
... Andes Mountains: The Andes are a volcanic and plutonic arc resting on the western margin of the South American plate; they lie above subducting, oceanic lithosphere of the Nazca and Antarctic plates. San Andreas fault: This is a transform fault that forms the boundary between the North American and ...
... Andes Mountains: The Andes are a volcanic and plutonic arc resting on the western margin of the South American plate; they lie above subducting, oceanic lithosphere of the Nazca and Antarctic plates. San Andreas fault: This is a transform fault that forms the boundary between the North American and ...
STUDY GUIDE FOR MID-TERM EXAM KEY In which type of rock are
... 17. Porosity is the amount of pore space in soils. Permeability is the ability of water to pass through the soil. Why do some soils have high porosity but low permeability? The pore spaces are small and do not allow for water to pass through quickly 18. This picture shows a simple well that was dug ...
... 17. Porosity is the amount of pore space in soils. Permeability is the ability of water to pass through the soil. Why do some soils have high porosity but low permeability? The pore spaces are small and do not allow for water to pass through quickly 18. This picture shows a simple well that was dug ...
GEOL 2312 IGNEOUS AND METAMORPHIC PETROLOGY Lecture
... barrier to whole-mantle convection? Maybe? Partly? No? Figure 1.14. Schematic diagram of a 2-layer dynamic mantle model in which the 660 km transition is a sufficient density barrier to separate lower mantle convection (arrows represent flow patterns) from upper mantle flow, largely a response to pl ...
... barrier to whole-mantle convection? Maybe? Partly? No? Figure 1.14. Schematic diagram of a 2-layer dynamic mantle model in which the 660 km transition is a sufficient density barrier to separate lower mantle convection (arrows represent flow patterns) from upper mantle flow, largely a response to pl ...
Study Guide - ab032.k12.sd.us
... Lesson One Geologists-scientists who study Earth Crust-Solid, outer surface of Earth Original Horizontality-rocks forming in flat, horizontal layers Pangaea-The huge super continent that was believed to exist before the continents separated Continental Drift-Hypothesis that the continents were one l ...
... Lesson One Geologists-scientists who study Earth Crust-Solid, outer surface of Earth Original Horizontality-rocks forming in flat, horizontal layers Pangaea-The huge super continent that was believed to exist before the continents separated Continental Drift-Hypothesis that the continents were one l ...
307 Final Review
... ____ 25. All of the following conditions in Earth can cause metamorphic rocks to form EXCEPT ____. a. exposure to air c. heat b. the presence of hot, watery fluids d. pressure ____ 26. The youngest part of the ocean floor is found ____. a. along deep sea trenches b. where ocean sediments are thickes ...
... ____ 25. All of the following conditions in Earth can cause metamorphic rocks to form EXCEPT ____. a. exposure to air c. heat b. the presence of hot, watery fluids d. pressure ____ 26. The youngest part of the ocean floor is found ____. a. along deep sea trenches b. where ocean sediments are thickes ...
Rocks and Minerals (rocksandminerals)
... 6. When limestone is exposed to enough heat and pressure, it goes through physical changes. These changes can turn limestone into a different kind of rock called marble. Which of these BEST describes marble? A. It is an igneous rock. B. It is a synthetic rock. C. It is a sedimentary rock. D. It is a ...
... 6. When limestone is exposed to enough heat and pressure, it goes through physical changes. These changes can turn limestone into a different kind of rock called marble. Which of these BEST describes marble? A. It is an igneous rock. B. It is a synthetic rock. C. It is a sedimentary rock. D. It is a ...
Rocks
... Review (Convection Currents) • Convection Currents in the Mantle cause Earth’s plates to move. These currents are caused by heat from the core. • The higher the temp. the lower the density. ...
... Review (Convection Currents) • Convection Currents in the Mantle cause Earth’s plates to move. These currents are caused by heat from the core. • The higher the temp. the lower the density. ...
8-3 Unit HW Sheet Name: Date: Standard 8
... 12. Which seismic wave is the fastest wave and which wave stops at the outer core-Explain why? P wave/ S wave stops at the outer core because it only travels through solids. 13. What is a fault? Crack in the Earth’s crust or rock 14. What is the process scientist use to locate the epicenter? Triangu ...
... 12. Which seismic wave is the fastest wave and which wave stops at the outer core-Explain why? P wave/ S wave stops at the outer core because it only travels through solids. 13. What is a fault? Crack in the Earth’s crust or rock 14. What is the process scientist use to locate the epicenter? Triangu ...
Learning Series: Alabama`s Rocks and Minerals – The “Super Sites”
... • Cheaha Mountain, Alabama's highest point, is found in this area East Gulf Coastal Plain • an area of Mesozoic and Cenozoic sediments that occupies the southern two-thirds of the state and curves northward almost to the Tennessee border on the western side where generally unconsolidated sediments o ...
... • Cheaha Mountain, Alabama's highest point, is found in this area East Gulf Coastal Plain • an area of Mesozoic and Cenozoic sediments that occupies the southern two-thirds of the state and curves northward almost to the Tennessee border on the western side where generally unconsolidated sediments o ...
Influence of natural organic acids on the leaching of major and trace
... REE, Ti, Th, U; F, Si, P, V) elements from the rocks of various basicity (meimechite, basaltic andesite, albitized rhyodacite, and alkaline agpaitic granite) by distilled water and multicomponent solution of organic acids, in which the frequency distribution of dissociation constants of carboxyl gro ...
... REE, Ti, Th, U; F, Si, P, V) elements from the rocks of various basicity (meimechite, basaltic andesite, albitized rhyodacite, and alkaline agpaitic granite) by distilled water and multicomponent solution of organic acids, in which the frequency distribution of dissociation constants of carboxyl gro ...
9. Lithosphere - Structure of the Earth
... The Earth’s Crust is a thin layer created by hard rocks of different origin and age. v Continental Crust (30 - 40 km thick) is the base of land mass and it is created by sedimentary, granite and basalt layers below. v Oceanic Crust (thinner, 5 -12 km) is the base of the ocean floor and it is created ...
... The Earth’s Crust is a thin layer created by hard rocks of different origin and age. v Continental Crust (30 - 40 km thick) is the base of land mass and it is created by sedimentary, granite and basalt layers below. v Oceanic Crust (thinner, 5 -12 km) is the base of the ocean floor and it is created ...
- Catalyst
... The rate of decay of the unstable parent radionuclide decreases exponentially (it is not linear). The rate of decay is defined by half-lives (see Fig. 6.14 in text). Different radionuclides have different half-lives and therefore different effective dating ranges. Assumptions of radiometric dating: ...
... The rate of decay of the unstable parent radionuclide decreases exponentially (it is not linear). The rate of decay is defined by half-lives (see Fig. 6.14 in text). Different radionuclides have different half-lives and therefore different effective dating ranges. Assumptions of radiometric dating: ...
Mountains Without Collision: Orogenic Activity in Accretionary
... growth and mineralization throughout Earth history. This project will determine if the growth of these mountain belts is the result of local processes specific to each plate boundary or a consequence of global plate interactions through study of the Permo-Triassic history of the Pacific margin of Go ...
... growth and mineralization throughout Earth history. This project will determine if the growth of these mountain belts is the result of local processes specific to each plate boundary or a consequence of global plate interactions through study of the Permo-Triassic history of the Pacific margin of Go ...
The Cache Creek Melange
... rock cut just north of the bridge you crossed to get here, you’ll see At first glance this road cut looks a light color block of rock that is like pretty typical rocks, there are about 2 meters high and a meter some layers and the rock is more across. It stands out considerably or less....well...gre ...
... rock cut just north of the bridge you crossed to get here, you’ll see At first glance this road cut looks a light color block of rock that is like pretty typical rocks, there are about 2 meters high and a meter some layers and the rock is more across. It stands out considerably or less....well...gre ...
Rocks
... adjustment of solid rocks to the physical and chemical conditions imposed at a depth below the surface zones of weathering and cementation, which differ from the conditions under which the rocks were originated. Sedimentary and igneous rocks are changed due to pressure and heat or chemical reactions ...
... adjustment of solid rocks to the physical and chemical conditions imposed at a depth below the surface zones of weathering and cementation, which differ from the conditions under which the rocks were originated. Sedimentary and igneous rocks are changed due to pressure and heat or chemical reactions ...
Algoman orogeny
The Algoman orogeny, known as the Kenoran orogeny in Canada, was an episode of mountain-building (orogeny) during the Late Archean Eon that involved repeated episodes of continental collisions, compressions and subductions. The Superior province and the Minnesota River Valley terrane collided about 2,700 to 2,500 million years ago. The collision folded the Earth's crust and produced enough heat and pressure to metamorphose the rock. Blocks were added to the Superior province along a 1,200 km (750 mi) boundary that stretches from present-day eastern South Dakota into the Lake Huron area. The Algoman orogeny brought the Archaen Eon to a close, about 2,500 million years ago; it lasted less than 100 million years and marks a major change in the development of the earth’s crust.The Canadian shield contains belts of metavolcanic and metasedimentary rocks formed by the action of metamorphism on volcanic and sedimentary rock. The areas between individual belts consist of granites or granitic gneisses that form fault zones. These two types of belts can be seen in the Wabigoon, Quetico and Wawa subprovinces; the Wabigoon and Wawa are of volcanic origin and the Quetico is of sedimentary origin. These three subprovinces lie linearly in southwestern- to northeastern-oriented belts about 140 km (90 mi) wide on the southern portion of the Superior Province.The Slave province and portions of the Nain province were also affected. Between about 2,000 and 1,700 million years ago these combined with the Sask and Wyoming cratons to form the first supercontinent, the Kenorland supercontinent.