Lavo with lots of gas can cool with the gas escaping and form an igneous rock...
Homework Answers
Igneous textures include the rock textures occurring in igneous rocks. Igneous textures are used by geologists in determining the mode of origin igneous rocks and are used in rock classification. There are six main types of textures; phaneritic, aphanitic, porphyritic, glassy, pyroclastic and pegmatitic.
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Lavo with lots of gas can cool with the gas escaping and form
an igneous rock...
3. Considering the relationship between cooling rate and crystal size in igneous rocks, describe in your...
3. Considering the relationship between cooling rate and crystal size in igneous rocks, describe in your own words what would you expect to see in igneous rock textures in the following situations. b. An excavation for a new highway that cuts margin of a batholith that has intruded into surrounding rock. Describe the possible change(s) in texture of the igneous rock of the batholiths at and near the contact with the surrounding rock. through a rock ridge permits you to...
The textures of igneous rocks, sedimentary rocks, and metamorphic rocks are all described with different terminology. That is, you cannot describe the texture of a sedimentary rock with the terms use...
The textures of igneous rocks, sedimentary rocks, and metamorphic rocks are all described with different terminology. That is, you cannot describe the texture of a sedimentary rock with the terms used to describe textures of igneous rocks. Bearing this in mind, please sort the terms below pertaining to rock textures into the three rock classes. lgneous rocks have textures that are either comprised of interlocking crystals, or textures that resulted from the cooling of hot liquid material. Sedimentary rocks have...
If the pressure and temperature on a rock increases to a point where the rock melts...
If the pressure and temperature on a rock increases to a point where the rock melts and becomes magma, on cooling it will become which of the following? A. igneous rock B. slate C. schist D. gneiss Which term describes changes to sediment in response to increasing pressure and temperature and the effects of fluids following burial? A. cementation B. lithification C. diagenesis D. metamorphism How is a sedimentary rock that forms by the actions of organisms on it classified?...
15)What is the difference between a dike, a sill, a laccolith and a batholith? 16) Which...
15)What is the difference between a dike, a sill, a laccolith and a batholith? 16) Which two intrude with the layers (concordant)? 17) Which two are discordant (intrude through layers)? 18) Which is the largest of the four? 19) What is obsidian and how does it form? Is it a rock or a mineral? Explain. 20) What is a vesicle? Does it form in igneous intrusive or extrusive igneous rock? Why does it form ? 21) What is a pyroclastic...
Based on the image below, what would rock classification would be appropriate for an igneous rock...
Based on the image below, what would rock classification would be appropriate for an igneous rock containing 19% Olivine, 43% Pyroxene, 36% Calcium-rich Plagioclase, and 2% Hornblende? Composition Rock types FELSIC Granite Rhyolite INTERMEDIATE Diorite Andesite MAFIC Gabbro Basalt ULTRAMAFIC Peridotite Orthoclase feldspar Quartz Plagioclase feldspar Percentage of mineral by volume (Calcium-rich) (Sodium-rich) Pyroxene Muscovite Biotite mica Olivine Amphibole 70% 40% Silica content Sodium and potassium content Iron, magnesium, and calcium content 700'C Temperature at which melting starts 1200C) Felsic...
When igneous rocks form, they can record the orientation of the Earth's magnetic field at that...
When igneous rocks form, they can record the orientation of the Earth's magnetic field at that time. Analysis of rocks on the seafloor show that a. the Earth's magnetic field has never reversed polarity b. periods of reversed polarity occur in random, irregular patterns across the seafloor c. periods of reversed polarity occur n symmetric stripes across mid-ocean ridges d. periods of reversed polarity occur only at the north and south poles
SCANTRON FOR USE ON TEST SCORINO REORDER ONLINE 13. Geologists can be employed as A. marine...
SCANTRON FOR USE ON TEST SCORINO REORDER ONLINE 13. Geologists can be employed as A. marine geologists B. petroleum geologists C. hydrogeologists D. environmental geologists E. all of the above 14. The Earth's system that includes the oceans, rivers, lakes, and glaciers of the world is called the A. biosphere B. hydrosphere C. geosphere D. atmosphere E. troposphere 15. A pluton is a A. channel way for rising magma B. intrusion of magma into fractions C. man-made rock D. large...
i need help with all thank you 97. A Nuée ardente is a phenomenon associated with...
i
need help with all thank you
97. A Nuée ardente is a phenomenon associated with lava flows 98. Volcanic vents that emit only gases are called fumaroles 99 The volcanoes of the Cascade Range are primarily cinder cone volcanoes ESSAY /FILL-IN 100. What type of magma composition is commonly erupted on the continents along a 102. A Place your anavwera to questions on the answer sheet provided by your in apropriate word, phrase, or short essay to answer the...
If we find a dinosaur fossil, and in the same rock there is a crystal which...
If we find a dinosaur fossil, and in the same rock there is a crystal which can be radiometrically dated, and we get a date of 237 mya from that crystal, what age are we measuring? a. The age of the Earth. b. The age of the sedimentary rock in which it was found. c. The age when the crystal was formed in an igneous rock. d. The age of the dinosaur.
What is the role that depth can play on cooling and crystallization on igneous rocks? For...
What is the role that depth can play on cooling and crystallization on igneous rocks? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).
3. Considering the relationship between cooling rate and crystal size in igneous rocks, describe in your own words what would you expect to see in igneous rock textures in the following situations. b. An excavation for a new highway that cuts margin of a batholith that has intruded into surrounding rock. Describe the possible change(s) in texture of the igneous rock of the batholiths at and near the contact with the surrounding rock. through a rock ridge permits you to...
The textures of igneous rocks, sedimentary rocks, and metamorphic rocks are all described with different terminology. That is, you cannot describe the texture of a sedimentary rock with the terms used to describe textures of igneous rocks. Bearing this in mind, please sort the terms below pertaining to rock textures into the three rock classes. lgneous rocks have textures that are either comprised of interlocking crystals, or textures that resulted from the cooling of hot liquid material. Sedimentary rocks have...
If the pressure and temperature on a rock increases to a point where the rock melts and becomes magma, on cooling it will become which of the following? A. igneous rock B. slate C. schist D. gneiss Which term describes changes to sediment in response to increasing pressure and temperature and the effects of fluids following burial? A. cementation B. lithification C. diagenesis D. metamorphism How is a sedimentary rock that forms by the actions of organisms on it classified?...
Based on the image below, what would rock classification would be appropriate for an igneous rock containing 19% Olivine, 43% Pyroxene, 36% Calcium-rich Plagioclase, and 2% Hornblende? Composition Rock types FELSIC Granite Rhyolite INTERMEDIATE Diorite Andesite MAFIC Gabbro Basalt ULTRAMAFIC Peridotite Orthoclase feldspar Quartz Plagioclase feldspar Percentage of mineral by volume (Calcium-rich) (Sodium-rich) Pyroxene Muscovite Biotite mica Olivine Amphibole 70% 40% Silica content Sodium and potassium content Iron, magnesium, and calcium content 700'C Temperature at which melting starts 1200C) Felsic...
SCANTRON FOR USE ON TEST SCORINO REORDER ONLINE 13. Geologists can be employed as A. marine geologists B. petroleum geologists C. hydrogeologists D. environmental geologists E. all of the above 14. The Earth's system that includes the oceans, rivers, lakes, and glaciers of the world is called the A. biosphere B. hydrosphere C. geosphere D. atmosphere E. troposphere 15. A pluton is a A. channel way for rising magma B. intrusion of magma into fractions C. man-made rock D. large...
i
need help with all thank you
97. A Nuée ardente is a phenomenon associated with lava flows 98. Volcanic vents that emit only gases are called fumaroles 99 The volcanoes of the Cascade Range are primarily cinder cone volcanoes ESSAY /FILL-IN 100. What type of magma composition is commonly erupted on the continents along a 102. A Place your anavwera to questions on the answer sheet provided by your in apropriate word, phrase, or short essay to answer the...
What is the role that depth can play on cooling and crystallization on igneous rocks? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).
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