Hematite
81Baigong Pipes — The Baigong Pipes are a series of pipe like features found on and near Mount Baigong (白公山) about 40 km southeast of the city of Delingha (德令哈市), in the Haixi Mongol and Tibetan Autonomous Prefecture (海西蒙古族藏族自治州) , Qinghai Province (青海省),… …
82Mineral redox buffer — In geology, a redox buffer is an assemblage of minerals or compounds that constrains oxygen fugacity as a function of temperature. Knowledge of the redox conditions (or equivalently, oxygen fugacities) at which a rock forms and evolves can be… …
83Ilménite — Catégorie IV : oxydes et hydroxydes[1] Ilménite Général …
84sanguine — [ sɑ̃gin ] n. f. • 1564; pierre sanguine XIIIe; de sanguin 1 ♦ Variété d hématite rouge. ♢ (1694) Crayon fait de cette matière, d un rouge ocre ou pourpre. ♢ Par ext. Dessin exécuté avec ce crayon. Une sanguine de Watteau. Lithographie imitant… …
85Magnetite — Not to be confused with Magnesite or Maghemite. Magnetite Magnetite and pyrite from Piedmont Italy …
86Navajo Sandstone — A prominent cuesta of Navajo Sandstone rims the edge of the San Rafael Swell in eastern Utah. Navajo Sandstone Type Geological formation …
87Red beds — The term red beds usually refers to strata of reddish colored sedimentary rocks such as sandstone, siltstone or shale that were deposited in hot climates under oxidizing conditions. [http://www.ac.wwu.edu/ babcock/v2 1.html] The red color comes… …
88Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …
89Mars surface color — Rock strewn surface imaged by Mars Pathfinder The apparent color of the Martian surface enabled humans to distinguish it from other planets early in human history and motivated them to weave fables of war in association with Mars. One of its… …
90Hämatit — Perfekt gewachsener Hämatitkristall von der Insel Hormus, Iran Chemische Formel Fe2O3 Mineralklasse Oxide mit Metall:Sauerstoff=2:3 4.CB.05 (8. Aufl.: IV/C.04 20) (na …
