[DOC] [TLE] Crust (geology) - Wikipedia [PAR] Large igneous province. Extended crust. Oceanic crust: 020 Ma. 2065 Ma. >65 
Ma. In geology, the crust is the outermost solid shell of a rocky planet or natural 
satellite, which is chemically distinct from the underlying mantle. The crusts of 
Earth, the Moon, Mercury, Venus, Mars, Io, and other planetary ... The crust and 
underlying relatively rigid uppermost mantle make up the... [DOC] [TLE] Craton - Wikipedia [PAR] A craton is an old and stable part of the continental lithosphere, where the 
lithosphere consist of ... A province may include a single dominant structural 
element such as a ... Rock fragments (xenoliths) carried up from the mantle by 
magmas containing ... The first large cratonic landmasses formed during the 
Archean eon. [DOC] [TLE] Minerals, Rocks & Rock Forming Processes [PAR] These compounds that make up the crust and mantle are commonly known to us 
as ... These 9 minerals are all silicates, and are also called the rock forming 
minerals. ... elements (dominated by Fe, Mg, Ca, Al, SiO2; Ma stands for 
magnesium and F .... and is in large parts influenced by the cooling history of the 
magma. [DOC] [TLE] plate tectonics facts, information, pictures | Encyclopedia.com ... [PAR] Below the crust is the mantle, a thick, dense layer of rock approximately 1,429 mi. 
.... Starting at about 514 Ma, Laurasia drifted southward until it crashed into ... 
matter is made up of atoms; the periodic law, which explains the chemical 
elements; big ... The most significant plates that make up Earth's surface are as 
follows:. [DOC] [TLE] the composition of the earth - MIT Department of Earth, Atmospheric ... [PAR] elements in the Earth is established by data from the Primitive Mantle. ... Such 
large ... (crust and mantle) makes up the remaining 2/3 of its mass, and the rest of 
... an Fe core in the Earth is also demonstrated by the Earth's shape and 
magnetic field. .... For those that are volatile, the rock record establishes their 
abundances. [DOC] [TLE] Earth's Earliest Atmospheres - NCBI - National Institutes of Health [PAR] We also point out that an atmosphere generated by impact degassing would tend 
to have a ... The origin of life has not been seen in Earth's rock record, and poor 
.... The captured gas is mostly H2  by far the most abundant element in the ..... 
unless CI or CM carbonaceous chondritic material makes up most of the mixture. [DOC] [TLE] Composition of the Earth's interior: the importance of early events ... [PAR] Nov 28, 2008 ... Comparison of the composition of some mantle rocks with the ... 1995), 
chronological data for the rocks that now make up the continents show that CC ... 
occurred during the first 30 Ma of the Earth's history (Kleine et al. ... Luckily, the 
core also is large enough, and sufficiently compositionally distinct, to be... [DOC] [TLE] Plate Tectonic Theory - The British Geographer [PAR] Ocean crust is made up of primarily of igneous rocks/ Gabbro intrusive rocks in 
the lower ... million years, the earth's oceans contain no oceanic crust older than 
200 Ma. ... The mantle below the crust makes up over 80% of the earth's volume. 
... The very upper section of the mantle is known as the lithosphere but this also... [DOC] [TLE] Recent Advances in Understanding the Geology of Diamonds - GIA [PAR] But it is also of importance to the practicing gemologist, since these are ... This 
basic age distribution of rocks at the earth's surface (Hurley and Rand, 1969) 
became ..... all known diamond-bearing kimberlites are less than about 550 Ma (
million .... the makeup of the lithospheric mantle even in the absence of discrete 
rocks. [DOC] [TLE] PLATE TECTONICS: Lecture 2 [PAR] Magma production at the Earth's mid-ocean ridge system far exceeds that in any 
other tectonic ... the ridge (see below), but the rocks eventually finish up 
subducting back into the mantle: ... But it is ridge processes which make it all

Question: Also starting with "MA", this is a big element in the rocks that make up the Earth's mantle
Answer: magnesium