brown haematite

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• Chamoli district — Chamoli चमोली ज़िला   district   …   Wikipedia

• Geology of Jersey — The geology of Jersey is characterised by the Late Proterozoic Brioverian volcanics, the Cadomian Orogeny, and only small signs of later deposits from the Cambrian and Quaternary periods. The kind of rocks go from conglomerate to shale, volcanic …   Wikipedia

• Caput mortuum — is a Latin term whose literal meaning is dead head or worthless remains [cite book | last = Stone | first = Jon R. | authorlink = | coauthors = | title = The Routledge Dictionary of Latin Quotations | publisher = Routledge | date = 2005 |… …   Wikipedia

• Acid sulfate soil — Acid sulfate soils are naturally occurring soils, sediments or organic substrates (e.g. peat) that are formed under waterlogged conditions. These soils contain iron sulfide minerals (predominantly as the mineral pyrite) or their oxidation… …   Wikipedia

• Hematite — For other uses, see Hematite (disambiguation). Hematite Hematite (blood ore) from Michigan (unknown scale) General Category …   Wikipedia

• Iron ore — Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in colour from dark grey, bright yellow, deep purple, to rusty red. The iron itself is usually found in the …   Wikipedia

• Red ochre — and yellow ochre (pronounced /IPA| əʊk.ə/, from the Greek ὄχρος, yellow) are pigments made from naturally tinted clay. It has been used worldwide since prehistoric times. Chemically, it is hydrated iron (III) oxide.Ochres are non toxic, and can… …   Wikipedia

• Atikokan — Infobox City official name = Township of Atikokan, Ontario other name = native name = nickname = motto = imagesize = image caption = flag size = image seal size = image shield = shield size = image blank emblem = blank emblem size = mapsize = map …   Wikipedia

• List of IARC Group 3 carcinogens — Substances, mixtures and exposure circumstances in this list have been classified by the IARC as Group 3: The agent (mixture or exposure circumstance) is not classifiable as to its carcinogenicity to humans. This category is used most commonly… …   Wikipedia

• Red 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… …   Wikipedia

• Clevedon Shore — Site of Special Scientific Interest …   Wikipedia