oligoclase|oligoclases in English

noun

(Mineralogy) feldspar mineral found in white crystals and at times shaded with red or gray or gree

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1. 2 words related to Anorthite: oligoclase, plagioclase

2. Oligoclase and Andesine are considered by some to be a variety of Albite rather then a separate mineral.

3. Mineralogical composition: plagioclase (oligoclase), quartz, K-feldspar, biotite, ± hornblende; apatite, zircon, allanite are the accessory minerals.

4. The name oligoclase is derived from the Greek for little and fracture, in reference to the fact that its cleavage angle differs significantly from 90°.

5. Lodged within a fine-grained matrix of chlorite, white mica, quartz and albite are millimeter-sized clasts of quartz, plagioclase (albite or oligoclase) and epidote.

6. Anorthite - rare plagioclastic feldspar occurring in many igneous rocks oligoclase, plagioclase - any of a series of triclinic feldspars that form rocks Based on WordNet 3.0, Farlex clipart collection

7. With increasing metamorphic grade the retrograde process of saussuritization is initiated. The reactants are Fe (III) Al2-epidote, muscovite, quartz, hematite, and albite/ oligoclase.

8. Development of a more basic rock, usually with more hornblende, biotite, and oligoclase, by contamination of a granitic magma in the assimilation of country Explanation of Basify

9. Anorthite is the rarest member of the Plagioclase Feldspars of the Feldspar Group of minerals that includes Albite, Amazonite, Andesine, Anorthite, Bytownite, Hyalophane, Labradorite, Moonstone, Oligoclase, Orthoclase, Sanidine and Sunstone

10. The other end member, Anorthite, contains calcium and no sodium.The intermediary members are Oligoclase, Andesine, Labradorite, and Bytownite.Oligoclase and Andesine are considered by some to be a variety of Albite rather then a separate mineral.

11. Bytownite is a variety of Anorthite and is a rare member of the Plagioclase Series of the Feldspar Group of minerals that includes Albite, Amazonite, Andesine, Anorthite, Bytownite, Hyalophane, Labradorite, Moonstone, Oligoclase, Orthoclase, Sanidine and Sunstone

12. Phase II was an intense shear folding, accompanied by a para-post-tectonic regional crystallization of almandine, biotite, hornblende, and oligoclase at the lower boundary of the amphibolite-facies (Barrow-type) under high pressure.

13. The formation of alunite from natural leucite, nepheline, sodalite, potassium-feldspar, oligoclase and sericite as well as from basaltic-glass, trachyandesite, nephelinebasanite and nephelinite was experimentally investigated at different H2SO4-concentrations in the temperature range from 90° to 180° C.

14. Bytownite is a variety of Anorthite and it is an associate that is rare of Plagioclase Series of the Feldspar number of minerals that features Albite, Amazonite, Andesine, Anorthite, Bytownite, Hyalophane, Labradorite, Moonstone, Oligoclase, Orthoclase, Sanidine, and Sunstone

15. Dolerite, when composed entirely of Augite and labradorite, produces rather inferior soils; but when it contains oligoclase and zeolites, and comes under the head of basalt, its disintegration is the source of soils remarkable for their fertility; for these latter substances undergoing rapid decomposition furnish the plants with abundant