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  • ...t common [[mineral]] in the martian crust. The usual form of silica is as Quartz grains, mixed up with other minerals. ...ations of sand, where gravity separation processes have separated the fine quartz crystals from other materials.
    747 bytes (116 words) - 12:46, 15 May 2023
  • ...h as coral. Most sand is composed of silicate minerals, primarily [[Silica|quartz]], or silicate rock fragments. Sand, being a natural mixture, is almost nev
    1 KB (218 words) - 18:46, 9 December 2019
  • ...Martian crust. Other silicates exist as well, in the general SiOx form. Quartz is pure SiO<sub>2</sub> in crystalline form. *Silicate (or Quartz) is the main components of glass
    5 KB (784 words) - 20:26, 4 December 2020
  • ...lsic rocks are present on Mars, but seem to be fairly rare. These include quartz rich dacites and granitoids which have been found by spacecraft in Syrtis M
    4 KB (636 words) - 04:32, 3 March 2021
  • ...poria.edu/aberjame/ice/lec02/lec2.htm</ref>, or just below the hardness of quartz. So drilling through cold Martian ice might be very close to drilling thro
    5 KB (831 words) - 11:36, 1 September 2023
  • ...has also been used in the past,) is heated to around 3000C. A [[glass]] or quartz bulb is fitted around the filament and the air evacuated or replaced by an
    7 KB (1,056 words) - 21:27, 5 January 2023
  • ...tests. We described the lithology or the zone and found some minerals like quartz and gypsum.
    11 KB (1,849 words) - 13:17, 7 March 2019
  • ...scribed in the mission plan. The second sample collected was a crystalline quartz material with brittle composition. The crew then continued north for anothe
    25 KB (4,054 words) - 17:56, 7 March 2019
  • ...um bacillus subtilis, a very common microorganism, and placing it in small quartz vials (a material which allows UV rays to pass unhindered), in different co
    24 KB (4,209 words) - 10:26, 24 March 2019
  • ...oon were recorded on GPS for future use in EVAs. Some excellent samples of quartz and sulphur containing deposits were collected and will be analysed in the
    27 KB (4,563 words) - 12:34, 19 October 2019
  • ...am instrument. These pale rocks are rich in feldspar and may contain some quartz. The rocks are similar to Earth's granitic continental crust. On Earth the ...Curiosity's CheMin has discovered discovered olivine, pyroxene, feldspar, quartz, magnetite, iron sulfides (pyrite)and pyrrhotite), akaganeite, jarosite, an
    67 KB (10,016 words) - 06:21, 23 August 2023
  • ...ight from the crews´ visors that were actually shiny rocks (believed to be quartz containing crystals) underneath their feet. They stopped to retrieve these
    35 KB (6,127 words) - 15:09, 7 March 2019
  • ...liana''. Sample 2 is composed of an opaque dark material interspersed with quartz particles and becomes clay-like upon contact with water. Sample 3 is compos
    32 KB (4,936 words) - 18:50, 7 March 2019
  • ...en we went there we discovered that these rocks looked somewhat similar to quartz-stones and reflected the sun light to us. We collected the samples and will
    45 KB (8,279 words) - 14:55, 27 March 2019
  • ...terspersed within it (comprising approximately 10% of the particles). This quartz-rich sand covered the upper ~3-6 inches of the outcrop. Below this depth wa ...terspersed within it (comprising approximately 10% of the particles). This quartz-rich sand covered the upper ~3-6 inches of the outcrop. Below this depth wa
    127 KB (20,888 words) - 21:33, 4 October 2019
  • ...terspersed within it (comprising approximately 10% of the particles). This quartz-rich sand covered the upper ~3-6 inches of the outcrop. Below this depth wa
    190 KB (31,918 words) - 09:28, 12 October 2019
  • ...rystals and bones and then drove up into the Cretaceous. We found calcite, quartz, and gypsum crystals, but no bones.
    173 KB (29,116 words) - 08:06, 29 October 2019
  • ...credible experience. Nearby were also interesting examples of ruby-colored quartz and some translucent ones, too.
    255 KB (43,372 words) - 17:24, 16 March 2020