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  • Occasionally, a rock is composed of only one mineral. But a crystal of the mineral fluorite in your hand is a stone rather than a rock.
    63 KB (5,746 words) - 04:18, 3 February 2016
  • igneous rock is formed by the cooling and crystallization of molten rock." Igneous "rocks [are divided] into two broad categories based on where the molten
    39 KB (3,436 words) - 01:56, 11 February 2016
  • erosion of rock, especially a river bed, by rock fragments scratching and scraping it" is called abrasion. The striations in the image on the right on Cerro
    21 KB (2,155 words) - 03:54, 9 February 2016
  • hawaiite. 2. Which chemical phenomenon are associated with the Earth? 3. Yes or No, A rock similar to granite, but containing more plagioclase than
    12 KB (1,153 words) - 01:56, 11 February 2016
  • Giovanni Pettinato of the University of Rome, a rock crystal lens, currently on show in the British museum, could rewrite the history of science. He
    46 KB (5,006 words) - 02:20, 9 February 2016
  • olivine rock. Top left is the mineral mica in a rock. Second on the right is an image of Cristobalite spheres within obsidian. Second on the left is an
    141 KB (14,120 words) - 04:21, 3 February 2016
  • arranged one on top of another", a "layer of sedimentary rock having approximately the same composition throughout", or any "of the regions of the atmosphere
    119 KB (13,487 words) - 00:13, 1 February 2016
  • lecture and an article from the astronomy department. It is under development for possible inclusion in the course on the principles of radiation astronomy
    10 KB (785 words) - 03:17, 1 February 2016
  • A small rock glacier [on the right] with the rock faces that feed it with debris. The steepness of the front suggests the activity of the rock glacier
    127 KB (12,513 words) - 04:18, 3 February 2016
  • The letter k can be doubled with c (like in rock n' roll.) The consonant c sounds like s when not combined with k (like the first c in bicycle). The letters
    9 KB (537 words) - 08:43, 19 September 2015
  • indicating that the element was only on the very surface of the rock. Magnesium was also slightly enriched on the surface. The heights of the peaks do not
    115 KB (12,660 words) - 03:18, 1 February 2016
  • settles on the surrounding areas" is called tephra. "[T]ephra, is a general term for fragments of volcanic rock and lava that are blasted into the air by
    116 KB (12,719 words) - 19:10, 6 February 2016
  • his house upon a rock and the rain descended and the floods came and the blew and beat upon that house and it fell not for it was founded upon a rock these
    57 KB (11,693 words) - 12:09, 10 January 2014
  • particles. The muons inherit the high energy of the parent cosmic rays, which enables them to penetrate and pass through the rock of the volcano and
    100 KB (12,375 words) - 03:12, 1 February 2016
  • glaciology, and the study of extrasolar planets." The peak at 40 keV is not from the mineral. From the color of the rock shown the yellowish mineral
    153 KB (17,147 words) - 20:03, 6 February 2016
  • are all the same rock type. The first image at left shows the various shades of grey. The second image at left of gray clay shows the cracking from water
    114 KB (11,912 words) - 03:19, 1 February 2016
  • geochemistry, and geophysics. Three branches of petrology focus on the three major rock types: igneous petrology, metamorphic petrology, and sedimentary
    81 KB (8,808 words) - 00:53, 1 February 2016
  • Jupiter (section Thor)
    the current into hotspots ... rock resistivity [and] contact resistance ... contribute to generate high temperatures on the surface. [These are the]
    74 KB (8,565 words) - 19:32, 7 February 2016
  • digital data to the counting house on the surface above the array. IceCube was completed on 18 December, 2010, New Zealand time." "The Imaging Compton
    130 KB (12,772 words) - 03:18, 1 February 2016
  • could hit a rock face (changing RCP into LCP) and then bounce over to another rock face (changing the LCP back into RCP) and hence to the receiver [.
    104 KB (11,890 words) - 03:15, 1 February 2016

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