"Para-amphibolite"@en . "PAMPHB"@en . . "Para-amphibolite - A type of calcsilicate-rock. In the Rock Classification Scheme, it is one composed largely of hornblende and plagioclase. This mineralogy reflects amphibolite facies conditions. Note the para- prefix indicates a rock that is thought to have a sedimentary protolith, in contrast with ortho-amphibolite which has an igneous protolith, and amphibolite where the nature of the protolith is not defined. British Geological Survey Research Report RR/99/02, section 3.2."@en . . "stable"@en . . "Para-amphibolite"@en . .