aluminous
81Amphibole — (pronounced amfi bowl) defines an important group of generally dark colored rock forming inosilicate minerals, composed of double chain SiO4 tetrahedra, linked at the vertices and generally containing ions of iron and/or magnesium in their… …
82Metamorphism — For other uses, see Metamorphism (disambiguation). Schematic representation of a metamorphic reaction. Abbreviations of minerals: act = actinolite; chl = chlorite; ep = epidote; gt = garnet; hbl = hornblende; plag = plagioclase. Two minerals… …
83Mare Smythii — Coordinates …
84Calcium-aluminium-rich inclusion — A calcium aluminium rich inclusion or Ca Al rich inclusion (CAI) is a centimeter sized light colored calcium and aluminium rich inclusion found in carbonaceous chondrite meteorites. CAIs consist of minerals that are among the first solids… …
85Phonolite — Aegirine phonolite. Dark prismatic minerals are aegirine phenocrysts. Phonolite is a rare igneous, volcanic (extrusive) rock of intermediate (between felsic and mafic) composition, with aphanitic to porphyritic texture. The name phonolite comes… …
86Peridotite — A peridotite is a dense, coarse grained igneous rock, consisting mostly of the minerals olivine and pyroxene. Peridotite is ultramafic and ultrabasic, as the rock contains less than 45% silica. It is high in magnesium, reflecting the high… …
87Pozzolana — Pozzolana, also known as pozzolanic ash, is a fine, sandy volcanic ash, originally discovered and dug in Italy at Pozzuoli in the region around Vesuvius, but later at a number of other sites. Vitruvius speaks of four types of pozzolana: black,… …
88Wavellite — Infobox mineral name = Wavellite category = Phosphate mineral boxwidth = boxbgcolor = imagesize = 300 caption = Wavellite from Poland formula = Al3(PO4)2(OH,F)3·5H2O molweight = color = Green to yellowish green and yellow, brown, white and… …
89Loreto, Dinagat Islands — Loreto is a 5th class municipality in the province of Dinagat Island, Philippines. According to the 2000 census, it has a population of 8,751 people in 1,840 households. History In the northern side of the mainland of Surigao del Norte lies… …
90Lherzolite — is a type of ultramafic igneous rock. It is a coarse grained rock consisting of 40 to 90% olivine along with significant orthopyroxene and lesser calcic chromium rich clinopyroxene. Minor minerals include chromium and aluminium spinels and… …
