Environmental Studies

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Refer to the scenario above. How would you expect the geothermal gradient to change if this borehole ... Started by bobthebuilder	1 Replies 61 Views	Jul 16, 2018 by cpetit11
Using this image, label the atoms with the appropriate elements to make the silica tetrahedron. ... Started by CharlieWard	1 Replies 21 Views	Jul 16, 2018 by JYan
Which mineral formation process would have been responsible for creating a mineral deposit such as ... Started by craiczarry	1 Replies 48 Views	Jul 16, 2018 by Ksh22
Which of the following substances is not a volatile found in magma? A) O2 B) CO2 C) H2O D) ... Started by ashley	1 Replies 23 Views	Jul 16, 2018 by cuttiesgirl16
What three components make up most magmas? A) Silicon, potassium feldspar, and muscovite B) ... Started by CBme	1 Replies 33 Views	Jul 16, 2018 by mfedorka
Which mineral group makes up most igneous rocks? A) Carbonates B) Sulfides C) Silicates D) ... Started by segrsyd	3 Replies 38 Views	Jul 16, 2018 by katkat_flores
Which two minerals define a felsic composition? A) Pyroxene and amphibole B) Muscovite and ... Started by jman1234	1 Replies 41 Views	Jul 16, 2018 by kjohnson
What was the rate of cooling and the environment of formation for an extrusive igneous rock and why? ... Started by dalyningkenk	1 Replies 21 Views	Jul 16, 2018 by cswans24
What substance makes ion migration easier in the later stages of magma crystallization, which allows ... Started by Davideckstein7	1 Replies 11 Views	Jul 16, 2018 by tandmlomax84
What is the geologic definition of texture? A) How the sample feels to the touch B) The mineral ... Started by roselinechinyere27m	1 Replies 32 Views	Jul 16, 2018 by Leostella20
Which of these textures help geologists determine if a rock is volcanic in origin? A) Pegmatitic ... Started by Shelles	1 Replies 35 Views	Jul 16, 2018 by tkempin
The partial melting of mafic rocks would produce what composition of magma? A) Ultramafic B) ... Started by Tazate	1 Replies 39 Views	Jul 16, 2018 by shoemake
What is the term used to describe increased temperature with depth in the Earth? A) Decompression ... Started by @Brianna17	1 Replies 110 Views	Jul 16, 2018 by ally
________ describes how an entire suite of silicate minerals can form from a single basaltic magma as ... Started by abern	3 Replies 58 Views	Jul 16, 2018 by Jossy
When magma forms, it rises up through the crust. Why does magma rise? A) It is forced upward by ... Started by kellyjaisingh	1 Replies 46 Views	Jul 16, 2018 by skipfourms123
What is the name of the preexisting rock through which intrusive igneous bodies intrude? A) Acid ... Started by lilldybug07	1 Replies 27 Views	Jul 16, 2018 by cici
Which process is thought to generate most felsic magmas? A) Decompression melting in a ... Started by kwoodring	1 Replies 69 Views	Jul 16, 2018 by meltdown117
If an igneous rock is heated, which mineral melts first according to Bowen's reaction series? A) ... Started by lbcchick	1 Replies 64 Views	Jul 16, 2018 by Sammyo
A ________ texture includes coarse phenocrysts surrounded by a phaneritic groundmass. A) ... Started by jparksx	1 Replies 48 Views	Jul 16, 2018 by kusterl
________ has a large percentage of voids and is lightweight, so therefore has the ability to float ... Started by jwb375	1 Replies 16 Views	Jul 16, 2018 by shayla
Will density increase or decrease with the crystallization of a magma? A) Decrease B) ... Started by ENagel	1 Replies 15 Views	Jul 16, 2018 by aham8f
Plutonic bodies that have a surface exposure less than 100 km2 are called ________. A) dikes B) ... Started by erika	3 Replies 9 Views	Jul 16, 2018 by kmb352
Peridotite that undergoes partial melting will create a melt enriched in ________. A) iron, ... Started by jhjkgdfhk	1 Replies 92 Views	Jul 16, 2018 by meow1234
________ will occur when continental collisions occur, thickening the crust and forcing some rocks ... Started by mpobi80	1 Replies 48 Views	Jul 16, 2018 by sierramartinez
Mineral crystals that form early in the crystallization process will have better-developed crystal ... Started by Anajune7	1 Replies 82 Views	Jul 16, 2018 by covalentbond