Document
... DIKES AND SILLS Magma can force its way across or between rock layers Magma that forces itself across rock layers hardens into a dike When magma squeezes between horizontal layers of rock, it forms a sill Dikes and sills are examples of igneous intrusions An intrusion is always younger th ...
... DIKES AND SILLS Magma can force its way across or between rock layers Magma that forces itself across rock layers hardens into a dike When magma squeezes between horizontal layers of rock, it forms a sill Dikes and sills are examples of igneous intrusions An intrusion is always younger th ...
Oceanic-Continental Boundary
... Scientists believe that the earth's magnetism is created by slow movements in the liquid outer core, caused by the rotation of the earth. The generation of the earth's magnetic field is a continuous, but variable, process that causes change in not only the intensity of the magnetic field, but also ...
... Scientists believe that the earth's magnetism is created by slow movements in the liquid outer core, caused by the rotation of the earth. The generation of the earth's magnetic field is a continuous, but variable, process that causes change in not only the intensity of the magnetic field, but also ...
Plate Tectonics Scaffolded Lesson Plan
... Students will be given sentence frames that correspond to each question to support them in constructing oral responses. These four questions will be placed on the tables along with their corresponding map of the region Q1. Why did Africa and South America move apart? ...
... Students will be given sentence frames that correspond to each question to support them in constructing oral responses. These four questions will be placed on the tables along with their corresponding map of the region Q1. Why did Africa and South America move apart? ...
LARAMIDE OROGENY
... • How does intracontinental deformation on the scale of the Laramide even occur? • How deep do Laramide reverse and thrust faults cut? Did they cut their own paths through the top of the basement, or did they follow pre-existing faults? • The Rockies are as high as ever and still rising. How much of ...
... • How does intracontinental deformation on the scale of the Laramide even occur? • How deep do Laramide reverse and thrust faults cut? Did they cut their own paths through the top of the basement, or did they follow pre-existing faults? • The Rockies are as high as ever and still rising. How much of ...
Geol 301 (Fall 2006)
... of the string. Note that converting the depth and radius measurements, in kilometers on the Table, to the 1:10 million scale, one can simply move the decimal two places to the left and the number will be in cm. For example, 6371 km is 63.71 cm at the 1:10 million scale (see Table 1). Label the bound ...
... of the string. Note that converting the depth and radius measurements, in kilometers on the Table, to the 1:10 million scale, one can simply move the decimal two places to the left and the number will be in cm. For example, 6371 km is 63.71 cm at the 1:10 million scale (see Table 1). Label the bound ...
LARAMIDE OROGENY
... • How does intracontinental deformation on the scale of the Laramide even occur? • How deep do Laramide reverse and thrust faults cut? Did they cut their own paths through the top of the basement, or did they follow pre-existing faults? • The Rockies are as high as ever and still rising. How much of ...
... • How does intracontinental deformation on the scale of the Laramide even occur? • How deep do Laramide reverse and thrust faults cut? Did they cut their own paths through the top of the basement, or did they follow pre-existing faults? • The Rockies are as high as ever and still rising. How much of ...
Types of plate boundaries
... apart from the Eurasian and African plate by convection cells. As the plates diverge molten rock or magma rises from the mantle to fill in any possible gaps between them and in doing so creates new oceanic crust. The lava had an unusual rounded shape and is called pillow lava. As it oozes out along ...
... apart from the Eurasian and African plate by convection cells. As the plates diverge molten rock or magma rises from the mantle to fill in any possible gaps between them and in doing so creates new oceanic crust. The lava had an unusual rounded shape and is called pillow lava. As it oozes out along ...
chapters 10 and 11
... at speeds of 6 km/second (so earthquake locations can be determined from timing of arrival of waves). - Sense of motion along fault can be figured out from whether the wave is an up or down motion when arrives. - Locations of earthquakes show where tectonic plates on Earth are interacting. - small, ...
... at speeds of 6 km/second (so earthquake locations can be determined from timing of arrival of waves). - Sense of motion along fault can be figured out from whether the wave is an up or down motion when arrives. - Locations of earthquakes show where tectonic plates on Earth are interacting. - small, ...
MEMO TO: Lisa A. Sarvestaney, M.A., Instructor FROM: Charles
... minerals that have been cohesively brought together by a rock forming process” and “a mineral is defined as a naturally occurring, inorganic solid element or compound with crystalline structure” (442). In plain English, a rock is a jumble of elements and minerals formed under high temperature, press ...
... minerals that have been cohesively brought together by a rock forming process” and “a mineral is defined as a naturally occurring, inorganic solid element or compound with crystalline structure” (442). In plain English, a rock is a jumble of elements and minerals formed under high temperature, press ...
Unit 4 Chapter 11
... Both the Circum-Pacific and the Eurasian-Melanesian belts are located along convergent plate boundaries. This is evidence that most mountains form as a result of collision between tectonic plates. ...
... Both the Circum-Pacific and the Eurasian-Melanesian belts are located along convergent plate boundaries. This is evidence that most mountains form as a result of collision between tectonic plates. ...
Seismic Waves - Fort Thomas Independent Schools
... • Mantle: iron-rich rock (FeMg-Peridotite) [3.3–5.7 g/cm3] • Crust: aluminum and magnesium rich rock • Continental Crust: SiAl (rock) less dense [2.7 g/cm3] • Oceanic Crust: SiMa (rock) darker, more dense [3.0 g/cm3] ...
... • Mantle: iron-rich rock (FeMg-Peridotite) [3.3–5.7 g/cm3] • Crust: aluminum and magnesium rich rock • Continental Crust: SiAl (rock) less dense [2.7 g/cm3] • Oceanic Crust: SiMa (rock) darker, more dense [3.0 g/cm3] ...
as a PDF
... thicknesses of basalt without the need for localized regions of high temperature [King and Anderson, 1995, 1998; Boutilier and Keen, 1999]. Jackson and Shaw [1975] argued that linear volcanic chains record the state of stress in the lithosphere. Vogt [1974] proposed that volcanoes occur on reactiva ...
... thicknesses of basalt without the need for localized regions of high temperature [King and Anderson, 1995, 1998; Boutilier and Keen, 1999]. Jackson and Shaw [1975] argued that linear volcanic chains record the state of stress in the lithosphere. Vogt [1974] proposed that volcanoes occur on reactiva ...
Volcanoes PPT - Van Buren Public Schools
... – Activity that occurs within a tectonic plate away from plate boundaries. • Most intraplate volcanism occurs where a mass of hotter than normal mantle material called a mantle plume rises toward the surface. • The activity forms localized volcanic regions called hot spots. • An example is the Hawai ...
... – Activity that occurs within a tectonic plate away from plate boundaries. • Most intraplate volcanism occurs where a mass of hotter than normal mantle material called a mantle plume rises toward the surface. • The activity forms localized volcanic regions called hot spots. • An example is the Hawai ...
MS Plate Tectonics
... Continental crust is much thicker than oceanic crust. It is 35 kilometers (22 miles) thick on average, but it varies a lot. Continental crust is made up of many different rocks. All three major rock types — igneous, metamorphic, and sedimentary — are found in the crust. On average, continental crust ...
... Continental crust is much thicker than oceanic crust. It is 35 kilometers (22 miles) thick on average, but it varies a lot. Continental crust is made up of many different rocks. All three major rock types — igneous, metamorphic, and sedimentary — are found in the crust. On average, continental crust ...
Chapter 7 Study Guide for 9 weeks test 1. Volcanic belts form along
... 9. Volcanic ash is made up of rocky particles about the size of a grain of sand. (213) 10. The main hazard from a quiet volcanic eruption is a lava flow. (page 214) 11. Tall, cone shaped mountains in which layers of lava alternates with layers of ash are called composite volcanoes. (page 218) 12. Wh ...
... 9. Volcanic ash is made up of rocky particles about the size of a grain of sand. (213) 10. The main hazard from a quiet volcanic eruption is a lava flow. (page 214) 11. Tall, cone shaped mountains in which layers of lava alternates with layers of ash are called composite volcanoes. (page 218) 12. Wh ...
File
... Seismic waves: vibrations that travel through Earth carrying the energy released during an earthquake. : the first waves that expand and compress the ground like an accordion that causes particles of rock to move in a back and forth direction. P waves travel through and ...
... Seismic waves: vibrations that travel through Earth carrying the energy released during an earthquake. : the first waves that expand and compress the ground like an accordion that causes particles of rock to move in a back and forth direction. P waves travel through and ...
Chapter 2 Guided Notes Answer Key
... The Explosive Earth • Volcano—underground materials pour from crack in the earth’s surface • Most volcanoes occur at tectonic plate boundaries Volcanic Action • Eruption—lava, gases, ash, dust, explode from vent in Earth’s crust • Lava—magma that has reached the earth’s surface; may create landform ...
... The Explosive Earth • Volcano—underground materials pour from crack in the earth’s surface • Most volcanoes occur at tectonic plate boundaries Volcanic Action • Eruption—lava, gases, ash, dust, explode from vent in Earth’s crust • Lava—magma that has reached the earth’s surface; may create landform ...
Lab 4: Volcanoes, Plutons, and Igneous Rocks
... Most minerals grow approximately the same size when magmas crystallize at one depth within the Earth’s crust, and the resulting rocks have an equigranular texture. We can differentiate between two types of equigranular texture: coarse-grained and fine-grained. Because intrusive magmas cool relativel ...
... Most minerals grow approximately the same size when magmas crystallize at one depth within the Earth’s crust, and the resulting rocks have an equigranular texture. We can differentiate between two types of equigranular texture: coarse-grained and fine-grained. Because intrusive magmas cool relativel ...
A short course on: Active Continental Tectonics
... Massachusetts Institute of Technology, USA (1977 to 1981), Research Fellows in Queens' College, University of Cambridge and became Assistant Dean (1983). He served as an Assistant Lecturer, Lecturer (1988), Reader (1996) and Professor of Active Tectonics (2003) in the Department of Earth Sciences, U ...
... Massachusetts Institute of Technology, USA (1977 to 1981), Research Fellows in Queens' College, University of Cambridge and became Assistant Dean (1983). He served as an Assistant Lecturer, Lecturer (1988), Reader (1996) and Professor of Active Tectonics (2003) in the Department of Earth Sciences, U ...
Earth Science Chapter 9 Section 4 Review
... ESSAY 16. ANS: Hot spots are relatively stationary plumes of molten rock rising from Earth’s mantle. According to the theory of plate tectonics, as a plate moves over a hot spot, magma often penetrates the surface, generating volcanic activity. If the volcanic activity continues, an island will form ...
... ESSAY 16. ANS: Hot spots are relatively stationary plumes of molten rock rising from Earth’s mantle. According to the theory of plate tectonics, as a plate moves over a hot spot, magma often penetrates the surface, generating volcanic activity. If the volcanic activity continues, an island will form ...
Uncharted Territory (1170L)
... to zero, Gakkel Ridge is the best bet, says marine geochemist and Healy cochief scientist Charles Langmuir of Harvard University. Nearly 20,000 km, or one-third, of the total midocean-ridge system is likely to fall into the new, ultraslow category, and Gakkel Ridge is "the slowest-spreading major po ...
... to zero, Gakkel Ridge is the best bet, says marine geochemist and Healy cochief scientist Charles Langmuir of Harvard University. Nearly 20,000 km, or one-third, of the total midocean-ridge system is likely to fall into the new, ultraslow category, and Gakkel Ridge is "the slowest-spreading major po ...
Large igneous province
A large igneous province (LIP) is an extremely large accumulation of igneous rocks, including liquid rock (intrusive) or volcanic rock formations (extrusive), when hot magma extrudes from inside the Earth and flows out. The source of many or all LIPs is variously attributed to mantle plumes or to processes associated with plate tectonics. Types of LIPs can include large volcanic provinces (LVP), created through flood basalt and large plutonic provinces (LPP). Eleven distinct flood basalt episodes occurred in the past 250 million years, creating volcanic provinces, which coincided with mass extinctions in prehistoric times. Formation depends on a range of factors, such as continental configuration, latitude, volume, rate, duration of eruption, style and setting (continental vs. oceanic), the preexisting climate state, and the biota resilience to change.