Geology

See also User_blog:Granpa/Theia

Mineral assemblages of common igneous rocks and their relation to the interior structure of the Earth
	Type	Structure	Density	Bowen's series	Type		Water		Ocean						1.0	1.0	0	0.0606		6371	0	3.688		1.0
	Pelagic	Amorphous			Silica (SiO2)		Diatomite				Chert
	Calcareous		2.7/2.95 2.85		Calcite/Aragonite Dolomite		Limestone Dolostone		Karst		Marble Tremolite Diopside	Calc–silicate Hornfel	Skarn		2.3 - 2.7	-	0.000023	0.0023		6371	0	0.1
	Evaporite				Gypsum (CaSO4)
	Evaporite				Halite (NaCl)
	Organic				Organic matter		Peat				(1)Oil (1)Natural gas (1)Lignite (1)Bituminous coal (2)Anthracite (4)Graphite
	Clastic				Quartz		Sand				Sandstone Quartz arenite Quartzite
	Argillaceous	Tectosilicates	2.65	Quartz	Quartz (SiO2)	↘	Granodiorite(>20%) (Dacite)	KREEP	Continental Crust		(0)Mudstone (0)Argillite (Pelite) (1)Shale (2)Slate (2)Phyllite (3)Schist (4)Gneiss (banded) (4)Migmatite (4)Granite (>20%)  (Rhyolite)	biotite hornfel	Greisen		2.7	2.7	0.0033	0.3369		6371	0	36		1.0
		Phyllosilicates	2.8	Muscovite	White Mica (OH)
	Felsic	Tectosilicates	2.75	Orthoclase(K)  Microcline Anorthoclase	Alkali feldspar (Al)	↗
						→	Syenite(<5%)  (trachyte) Nepheline syenite  Phonolite Nepheline				Quartz Syenite (>5%)	Sanidine
				Plagioclase Albite(Na)		→	Monzonite (<5%) (Latite)				Adamellite (>5%)	High Albite
				Oligoclase Andesine	Feldspar (Al)	→	Diorite (<5%) (Andesite)				Quartz diorite (>5%) Trondhjemite Tonalite (>20%)				2.8-3.0
				Labradorite Bytownite Anorthite(Ca)		→	Anorthosite	Anorthosite
						↘	Gabbro (Basalt)	Norite Troctolite	Upper Mantle	(3)Blueschist (4)Eclogite	(1)Greenstone (2)Greenschist (3)Amphibolite (4)Granulite	Hornfel	Norite Troctolite		2.95	3.05	0.152	13.82		6367.3	3.688	662.3
	Mafic	Phyllosilicates	2.7–3.3	Biotite	Black Mica (Mg, Fe, OH)
		Inosilicates (Double chain)	3.35	Monoclinic Hornblende (K-Ca-Na) Orthorhombic	Amphibole (Mg-Fe-OH)
		Inosilicates (Single chain)	3.35	Clinopyroxene Jadeite(Na) Augite(Ca) Orthopyroxene Ferrosilite(Fe) Enstatite(Mg)	Pyroxene (Al)	↗
						→	Pyroxenite
						↘	Peridotite (Komatiite)		Lower Mantle		Serpentine Tremolite/Talc Peridotite				3.55	3.65	0.3581	26.67		5705	666	2127		1.05582
	Ultramafic	Orthosilicates (Nesosilicates) (Isosilicates)	3.65 (70/30)	Fayalite(Fe)	Olivine	↗
				Forsterite(Mg)		↘	Dunite		D" Layer				Serpentinite		3.65	3.75	0.0096	0.697		3578	2793	98
					Bridgmanite (SiO3)
					Spinel Ferropericlase Ilmenite		Iron		Outer Core						6.3	6.5	0.184	7.69		3480	2891	2260		1.60631
	Density of moon = 3.346 g/cm3
	Average density of uncompressed mantle = 3.34668620323  (3*13.82 + 3.65*26.67)/(13.82*3/2.95+26.67*3.65/3.55) Average density of continental crust + uncompressed d" Layer = 3.346053  (2.7*0.3369+3.75*0.697)/(0.3369+0.697*3.75/3.65) Pressure at center of moon ≈ 50,000 bar. Transition zone begins at 124,643 bar  3.0 g/cm3 * 1 g's * 410 km in bar Mass of continental crust + d" Layer = 1.055 Moon masses Mass of continental crust + d" Layer + Ocean = 1.073 Moon masses  Mass of Theia? Olivine = Hexagonal, close-packed array of oxygen ions. half of the octahedral sites are occupied with magnesium or iron ions. one-eighth of the tetrahedral sites are occupied by silicon ions.						Iron		Inner core						231.85	231.85	0.2953	0.3462		1220	5151	1220
							Ions Huge O, K Large Na, Ca Medium Fe++, Mg Small Al, Fe+++, C			Franciscan (Pressure)	Barrovian (Heat&Pressure)	Buchan (Heat)	Metasomatism		Density		Mass	Volume		Radius	Depth	Width		Gravity
										(1)Zeolite (2)PP (3)Blueschist (4)Eclogite	(1)Zeolite (2)Greenschist (3)Amphibolite (4)Granulite	(1)Zeolite (2)Albite-epidote-Horn (3)Hornblende-Horn (4)Pyroxene-Horn (5)Sanidinite		1st density is at the surface. 2nd is at depth. Volume of Moon = 1 Density of liquid iron = 6.3 g/cm3 at 6000 C Density of solid iron (fcc) = 8.6 g/cm3 Density of Inner core = 8.587 * 27 = 231.85