Magma Study guides, Class notes & Summaries
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TEXES Social Studies 4-8 Exam
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Second Continental Congress - ANSWER-A convention of delegates from the Thirteen Colonies that started meeting in the spring of 1775 in Philadelphia, Pennsylvania. Managed the Colonial war effort and moved incrementally towards independence, adopting the United States Declaration of Independence on July 4, 1776. 
 
Townshend Acts (1767) - ANSWER-A series of British acts passed beginning in 1767 and relating to the British American colonies in North America. 
 
Thirteen Colonies - ANSWER-A group ...
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GEO 401 exam 2 2023 with 100% correct answers
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The Earth's upper mantle is mainly made of peridotite, an ultramafic igneous rock with lots of olivine crystals. Which type of magma can be produced when the upper mantle undergoes decompression melting of the upper mantle peridotite at mid-ocean ridges? - correct answer -Basaltic 
 
Seismic studies of the earth have shown that the platnet's interior is made of a few layers with distinct seismic signatures and chemical compositions. The major layers of the planet include (from innermost to the o...
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TAMU Geology 101 Exam 2 questions with correct answers
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General of magma CORRECT ANSWER igneous rocks form as molten rock (magma, lava) cools and solidifies 
General characteristics of magma 
Forms from partial melting of rocks Magma at surface is called lava 
Rocks formed from lava are extrusive/volcanic rocks 
Rocks formed from magma at depth are intrusive/plutonic rocks 
 
Basalt melt, Hawaii CORRECT ANSWER This is lava/melted rock. This shows Lava flow 
 
Basalt flow, Hawaii CORRECT ANSWER This also shows lava flow which is cooling instantly. 
 
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GIA Colored Stone Final Exam Questions And Answers.
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GIA Colored Stone Final Exam Questions And Answers. 
 
By what date had Kokichi Mikimoto begun culturing whole pearls - Answer 1908 
Synthetic gem materials - Answer Are not minerals 
which of the following is an organic gem - Answer amber 
which of the following is amorphous - Answer amber 
a natural material that's made up of a mass of one or more kinds of mineral crystals is - 
Answer rock 
what group does alamandine belong to - Answer garnet 
A gem produced by, or derived from, a living org...
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Science Olympiad Dynamic Planet Latest Version Graded A+
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Science Olympiad Dynamic Planet 
 
Latest Version Graded A+ 
 
volcano a weak spot in the crust where magma has come through the surface 
 
magma the molten mixture of rock-forming substances, gases and water from the mantle 
 
lava liquid magma that reaches Earth's surface 
 
Ring of Fire a major belt of volcanoes that rims the Pacific Ocean 
 
island arc a string of volcanoes that form as a result of subduction of one oceanic plate 
beneath a second oceanic plate 
 
hot spot an area where mag...
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GEO 401 Final Exam Review 2023 with 100% correct answers
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If a magma chamber undergoes fractional crystallization during cooling, how will the remaining magma differ from the parent magma? - correct answer It will be more felsic 
 
What type of magma can be produced when upper-mantle peridotite undergoes decompression along mid-ocean ridges? - correct answer basaltic 
 
Mineral - correct answer -Naturally ocurring 
-inorganic element or compound 
-has an orderly internl structure and characteristic chemical composition, crystal form, and physical prope...
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TAMU Geology 101 Exam 2 questions with correct answers
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Where is magma generated? Where are the greatest amounts produced? CORRECT ANSWER the uppermost mantle and at divergent plate boundaries 
 
partial melting CORRECT ANSWER incomplete melting if rocks where magma is enriched with ions 
 
top factors in viscosity CORRECT ANSWER gas 
CO2 
Sulfer 
 
pyroclastic CORRECT ANSWER broken bits of ash and rock thrown from a volcano 
 
3 main types of volcanoes CORRECT ANSWER shield 
composition 
strato 
 
types of lava flows CORRECT ANSWER basaltic- 90% 
an...
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Geology 101 TAMU Test 2 questions with correct answers
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Buoyancy CORRECT ANSWER What causes magma to rise? 
 
Less Dense Material is forced up by a buoyant force CORRECT ANSWER What happens when less dense material is trapped below more dense material 
 
Temperature, Volatiles, and Silica CORRECT ANSWER What 3 things does Viscosity depend on? 
 
Low Viscosity CORRECT ANSWER High Temp 
More Volatiles 
Less SiO2 (*Mafic*) 
 
Flows easily (Basaltic Lava Flows) 
 
High Viscosity CORRECT ANSWER Lower Temp 
Less Volatiles 
More SiO2 (*Felsic*) 
 
Doesn't ...
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GEOLOGY 101 Exam 2 Texas A&M questions with correct answers
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Lahar CORRECT ANSWER mudflow originating from a volcanic slope, also called mass wasting events 
 
What is a geological example of both a hot spot AND divergent plate boundary location? CORRECT ANSWER Iceland 
 
Where is magma generated? CORRECT ANSWER Uppermost mantle 
 
Where is the greatest amount of magma created? CORRECT ANSWER At divergent plate boundaries. A lesser amount is formed at subduction zones. It can also be formed when crustal rocks melt. 
 
Geothermal Gradient CORRECT ANSWER Wh...
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sust exam 3 exam 2024 with 100% correct answers
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The three Intermediate Periods in the history of ancient Egypt mark the collapse of Egyptian governments (the Old, Middle, and then New Kingdom) caused by natural cycles of drought. 
 
true or false Answer - true 
 
The Intermediate Periods did follow and mark the collapse of the Kingdoms. They were caused by the instability and famine from natural drought cycles. 
 
What are the Milankovitch cycles? Answer - The cycle of changes in Earth's wobble, tilt, and orbit 
 
The Milankovitch cycles are...
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