Definition of Anorthosites. Meaning of Anorthosites. Synonyms of Anorthosites

Here you will find one or more explanations in English for the word Anorthosites. Also in the bottom left of the page several parts of wikipedia pages related to the word Anorthosites and, of course, Anorthosites synonyms and on the right images related to the word Anorthosites.

Definition of Anorthosites

Anorthosite
Anorthosite A*nor"tho*site, n. [F. anorthose triclinic feldspar (fr. Gr. ? priv. + ? straight) + -ite.] (Petrol.) A granular igneous rock composed almost exclusively of a soda-lime feldspar, usually labradorite.

Meaning of Anorthosites from wikipedia

- which distinguish Proterozoic anorthosites from Archean anorthosites (which are typically >An80). Proterozoic anorthosites often have significant mafic...
- common mafic igneous rocks such as basalt and gabbro, as well as in anorthosites. The geological type area for labradorite is Paul's Island near the town...
- A.; ****ey, J. S. Jr.; Marvin, U. B.; Powell, B. N. (1970). "Lunar anorthosites and a geophysical model of the moon". Geochimica et Cosmochimica Acta...
- K-feldspar in charnockites Ca-metasomatism of deformed plagioclase in anorthosites Here Ca-bearing fluids enter primary alkali feldspar through cracks and...
- that are inconsistent with calcic plagioclase compositions. Ferroan anorthosites have been dated using the internal isochron method at circa 4.4 Ga. The...
- perspective, geochemical mapping made from orbit suggests a crust of mostly anorthosite. The Moon rock samples of the flood lavas that erupted onto the surface...
- Notable rock provinces (metamorphic igneous rocks, ultramafics, and anorthosites) are found on the southwest coast at Qeqertarsuatsiaat. East of Nuuk...
- have been mostly described as pyroxene granulites, pyroxene gneisses, anorthosites, or other names. They are typically of Proterozoic age. In India they...
- Houston, Texas. Chemical analysis of the Genesis Rock indicated it is an anorthosite, composed mostly of a type of plagioclase feldspar known as anorthite...
- astronauts David Scott and James Irwin during the Apollo 15 mission. This anorthosite rock is composed almost exclusively of the calcium-rich feldspar mineral...