GY111 Introductory Geology - University of South Alabama
... • Incipient continental rift zone in central New Mexico. • In New Mexico the Rio Grande river flows within the central rift valley. • The continental lithosphere is anomalously thin – only 15 km thick. This produces a large positive gravity anomaly. • The continental rift zone is marked by bi-modal ...
... • Incipient continental rift zone in central New Mexico. • In New Mexico the Rio Grande river flows within the central rift valley. • The continental lithosphere is anomalously thin – only 15 km thick. This produces a large positive gravity anomaly. • The continental rift zone is marked by bi-modal ...
lab 5: metamorphic rocks
... LAB 5: METAMORPHIC ROCKS LAYERED METAMORPHIC ROCKS Most metamorphic rocks formed as a result of deep burial due to tectonic forces at plate boundaries. Along convergent plate boundaries, plates collide with sufficient force to raise mountain belts. These regional forces have an effect at the mesosco ...
... LAB 5: METAMORPHIC ROCKS LAYERED METAMORPHIC ROCKS Most metamorphic rocks formed as a result of deep burial due to tectonic forces at plate boundaries. Along convergent plate boundaries, plates collide with sufficient force to raise mountain belts. These regional forces have an effect at the mesosco ...
IGNEOUS ROCK ASSOCIATIONS
... N. American examples: Most of central Canada, Ontario, Quebec, Labrador, Greenland, Wyoming VII. Anorthosite Provinces massive anorthosite provinces may represent tops of very large, deep, sub-continental magma chambers example: Grenville-age anorthosites of Adirondacks, Quebec, Labrador ...
... N. American examples: Most of central Canada, Ontario, Quebec, Labrador, Greenland, Wyoming VII. Anorthosite Provinces massive anorthosite provinces may represent tops of very large, deep, sub-continental magma chambers example: Grenville-age anorthosites of Adirondacks, Quebec, Labrador ...
APES Earth Science Study Guide
... Describe each of the following: a. Contour plowing Plowing with the contour, in other words along the hill and not up and down the hill b. Terracing creating terraces or steps in a hillside to allow for farming c. No-till farming planting crops with the aid of equipment that does not till or turn ov ...
... Describe each of the following: a. Contour plowing Plowing with the contour, in other words along the hill and not up and down the hill b. Terracing creating terraces or steps in a hillside to allow for farming c. No-till farming planting crops with the aid of equipment that does not till or turn ov ...
The Precambrian: Hadean, Archean and Proterozoic
... history, when it melted and segregated into the core, mantle, and crust. This segregation occurred because of differences in density, the crust being the "lightest" material. • Volcanoes have released additional volatiles throughout the Earth's history, but probably more during the early years when ...
... history, when it melted and segregated into the core, mantle, and crust. This segregation occurred because of differences in density, the crust being the "lightest" material. • Volcanoes have released additional volatiles throughout the Earth's history, but probably more during the early years when ...
Massachusetts - Swampscott Middle School
... Journal entry that includes: Location Metamorphic Foliated Nonfoliated Descriptions of rocks found on trip Diagram of something learned If Metamorphic rock is on the surface what must have happened? ...
... Journal entry that includes: Location Metamorphic Foliated Nonfoliated Descriptions of rocks found on trip Diagram of something learned If Metamorphic rock is on the surface what must have happened? ...
File
... temperatures. The cooling rate establishes how much time crystals will have to form. Slow cooling produces larger crystals. ...
... temperatures. The cooling rate establishes how much time crystals will have to form. Slow cooling produces larger crystals. ...
Chapter 11: The Archean Eon of Precambrian Time
... – rocks that contain minerals uraninite & pyrite pre 2.3 BYA rocks would break down in presence of free oxygen ...
... – rocks that contain minerals uraninite & pyrite pre 2.3 BYA rocks would break down in presence of free oxygen ...
Mechanical Weathering
... upwards • Ice forms under boulders and expands which pushes them upwards • Causes cracks in roads during winter time ...
... upwards • Ice forms under boulders and expands which pushes them upwards • Causes cracks in roads during winter time ...
examples of answers
... these rocks relate to tectonic setting?, etc.) Once upon a time there was a nice sandstone which was overlain by limestone that formed in warm shallow seas. A collision event occurred uplifting the sandstone and the limestone to the top of the highest mountain in the world. This collision event also ...
... these rocks relate to tectonic setting?, etc.) Once upon a time there was a nice sandstone which was overlain by limestone that formed in warm shallow seas. A collision event occurred uplifting the sandstone and the limestone to the top of the highest mountain in the world. This collision event also ...
Virtual Lab Igneous Rock ID
... b. Intermediate: plagioclase, amphibole, biotite c. Felsic: potassium feldspar, quartz, biotite, muscovite 5. What is the rock name – refer to the list above. There is only one of each! pumice, Scoria, Obsidian, Rhyolite, Porphyritic Rhyolite, Basalt, Vesicular Basalt, Granite, Gabbro ...
... b. Intermediate: plagioclase, amphibole, biotite c. Felsic: potassium feldspar, quartz, biotite, muscovite 5. What is the rock name – refer to the list above. There is only one of each! pumice, Scoria, Obsidian, Rhyolite, Porphyritic Rhyolite, Basalt, Vesicular Basalt, Granite, Gabbro ...
Abstract
... represent mafic volcanic flows. The analytic signal transformation highlights magnetic anomalies within this unit, which are thought to represent synvolcanic mafic plutons. Large felsic intrusions occur throughout the Penokean volcanic belt, many of which are outcropping. Previous age dating of thes ...
... represent mafic volcanic flows. The analytic signal transformation highlights magnetic anomalies within this unit, which are thought to represent synvolcanic mafic plutons. Large felsic intrusions occur throughout the Penokean volcanic belt, many of which are outcropping. Previous age dating of thes ...
6 - Bal Bharati Public School
... These loose sediments are compressed and hardened to form layers of rocks. These types of rocks are called sedimentary rocks. Q10. How are metamorphic rocks formed? Igneous and sedimentary rocks are transformed to metamorphic rocks under great heat and pressure. Q11. How are rocks useful to us? Rock ...
... These loose sediments are compressed and hardened to form layers of rocks. These types of rocks are called sedimentary rocks. Q10. How are metamorphic rocks formed? Igneous and sedimentary rocks are transformed to metamorphic rocks under great heat and pressure. Q11. How are rocks useful to us? Rock ...
Rocks
... Granite is a coarse-grained igneous rock composed mostly of light-colored, light-density, nonferromagnesian minerals. The earth's continental areas are dominated by granite and by rocks with the same mineral composition of granite. ...
... Granite is a coarse-grained igneous rock composed mostly of light-colored, light-density, nonferromagnesian minerals. The earth's continental areas are dominated by granite and by rocks with the same mineral composition of granite. ...
notes
... Granite is a coarse-grained igneous rock composed mostly of light-colored, light-density, nonferromagnesian minerals. The earth's continental areas are dominated by granite and by rocks with the same mineral composition of granite. ...
... Granite is a coarse-grained igneous rock composed mostly of light-colored, light-density, nonferromagnesian minerals. The earth's continental areas are dominated by granite and by rocks with the same mineral composition of granite. ...
RELICS OF MOZAMBIQUE OCEAN IN EASTERN AFRICA OROGEN
... the Mozambique belt in the region. Important high grade tectono-thermal events in the belt took place between about 845 and 715 Ma. The tectono thermal events attained PIT conditions of5.57.1 kbars and 500 - 75 ...
... the Mozambique belt in the region. Important high grade tectono-thermal events in the belt took place between about 845 and 715 Ma. The tectono thermal events attained PIT conditions of5.57.1 kbars and 500 - 75 ...
Summary and review
... When were rocks brought up from depth (exhumed)? How fast? How did this all happen? To get at displacement on BIG structures- need to know depths/temperatures from which rocks were brought up- thermobarometry To get at timing- need geochronology and ...
... When were rocks brought up from depth (exhumed)? How fast? How did this all happen? To get at displacement on BIG structures- need to know depths/temperatures from which rocks were brought up- thermobarometry To get at timing- need geochronology and ...
Photosynthesis Jeopardy - River Vale Public Schools
... 100 – What is the theory call where pieces of Earth’s lithosphere are in constant motion? Plate Tectonics 200 – What type of stress is cause when two plates are moving in opposite directions? Tension 300 – What type of heat transfer occurs when the sun heats the Earth Radiation 400 – Who came up wit ...
... 100 – What is the theory call where pieces of Earth’s lithosphere are in constant motion? Plate Tectonics 200 – What type of stress is cause when two plates are moving in opposite directions? Tension 300 – What type of heat transfer occurs when the sun heats the Earth Radiation 400 – Who came up wit ...
Cycles of the Lithosphere
... riverbeds or lake bottoms and accumulate over long periods - Pressure is applied as more and more material is deposited - Upper layer presses down on lower layers, compacting and squeezing out water and air, and cementing the particles into layers [strata] in a horizontal pattern. - Geologic Time Sc ...
... riverbeds or lake bottoms and accumulate over long periods - Pressure is applied as more and more material is deposited - Upper layer presses down on lower layers, compacting and squeezing out water and air, and cementing the particles into layers [strata] in a horizontal pattern. - Geologic Time Sc ...
G231 – Spring, 2012 Introductory Lecture Notes I.) Required list of
... 1) Igneous rocks: crystalline rocks that cool from a magma 2) Metamorphic rocks: rocks that are subject to high heat and pressure within the earth’s crust and undergo changes in texture and/or mineralogy as a result 3) Sedimentary rocks: formed by erosion of pre-existing rocks at the earth’s surface ...
... 1) Igneous rocks: crystalline rocks that cool from a magma 2) Metamorphic rocks: rocks that are subject to high heat and pressure within the earth’s crust and undergo changes in texture and/or mineralogy as a result 3) Sedimentary rocks: formed by erosion of pre-existing rocks at the earth’s surface ...
Types of Rocks - Sikkimsprings
... the horizontal. The dip is an angle of the bed with the horizontal plane. The line of intersection of a dipping bed, with the ground surface is called strike. Strike has a direction. ...
... the horizontal. The dip is an angle of the bed with the horizontal plane. The line of intersection of a dipping bed, with the ground surface is called strike. Strike has a direction. ...
Classification of Igneous Rocks
... There are two aspects to the cooling, as we have seen: the temperature at which crystallization is achieved and the rate at which the cooling occurs. The temperature of crystallization dictates which minerals can and cannot be present – that is, the mineral composition of the rock. The cooling rate ...
... There are two aspects to the cooling, as we have seen: the temperature at which crystallization is achieved and the rate at which the cooling occurs. The temperature of crystallization dictates which minerals can and cannot be present – that is, the mineral composition of the rock. The cooling rate ...
R. Palin
... and included lecture- and tutorial-style elements that investigated the evidence for, links between, and methods of investigation of high-temperature metamorphism and associated partial melting in the Earth’s crust. Having studied a variety of migmatites in the past I was very excited to hear the op ...
... and included lecture- and tutorial-style elements that investigated the evidence for, links between, and methods of investigation of high-temperature metamorphism and associated partial melting in the Earth’s crust. Having studied a variety of migmatites in the past I was very excited to hear the op ...
Topic 3 Notes - Gouverneur Central School District
... 2. Tilted: uplift or subsidence, strata is at an angle 3. Faulted: crack or break in the strata with displacement (they have moved) types of fault: reverse fault- caused by compressional forces (pushing together) normal fault- caused by tensional forces (pulling apart) transform fault- strike-slip f ...
... 2. Tilted: uplift or subsidence, strata is at an angle 3. Faulted: crack or break in the strata with displacement (they have moved) types of fault: reverse fault- caused by compressional forces (pushing together) normal fault- caused by tensional forces (pulling apart) transform fault- strike-slip f ...
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.