feldspars
101Oil shale geology — Main article: Oil shale Outcrop of Ordovician kukersite oil shale, northern Estonia. Oil shale geology is a branch of geologic sciences which studies the formation and composition of …
102Formation evaluation gamma ray — In the field of formation evaluation, gamma ray log records natural radioactivity emission of formation. Measurement of natural emission of gamma rays in oil and gas wells are particularly helpful because shales and sandstones typically have… …
103Spinodal decomposition — is a method by which a mixture of two or more materials can separate into distinct regions with different material concentrations. This method differs from nucleation in that phase separation due to spinodal decomposition occurs throughout the… …
104An Introduction to the Rock-Forming Minerals —   Author(s) W A Deer, R A Howie, and J Zussman …
105Compounds of oxygen — Water (H2O) is the most familiar oxygen compound The oxidation state f oxygen is −2 in almost all known compounds of oxygen. The oxidation state −1 is found in a few compounds such as peroxides. Compounds containing oxygen in other oxidation… …
106Alkali feldspar — The alkali feldspar group are those feldspar minerals rich in the alkali elements potassium and sodium. The alkali feldspars include: albite, anorthoclase, microcline, orthoclase and sanidine. [http://www.mindat.org/min 118.html Mindat]… …
107Myrmekit — ist ein mikroskopisch dimensioniertes Wachstum von wurmförmigem Quarz im Plagioklas. Der Durchmesser der wurmartigen Quarzstängel oder Quarzröhren bewegt sich meist weit unter einem Millimeter. Diese Verwachsungsstruktur des Myrmekits mit… …
108Reginald Aldworth Daly — (* 18. März 1871 in Napanee, Ontario; † 19. September 1957 in Cambridge, Massachusetts) war ein kanadischer Geologe. Er war von 1912 bis 1942 Professor an der Harvard University, nachdem er als kartierender Geologe für die Canadian International… …
109Полевые шпаты — (термин швед. происхождения, в pyc. и др. европ. языки попал из немецкого; шпатами называются все минералы c хорошей спайностью, легко раскалывающиеся на пластины; полевой ввиду частого нахождения обломков на швед. пашнях, располагающихся …
110abrasive — abrasively, adv. abrasiveness, n. /euh bray siv, ziv/, n. 1. any material or substance used for grinding, polishing, etc., as emery, pumice, or sandpaper. adj. 2. tending to abrade; causing abrasion; abrading. 3. tending to annoy or cause ill… …
