cumulate

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cumulate

[′kyü·myə‚lāt]
(petrology)
Any igneous rock formed by the accumulation of crystals settling out of a magma.
References in periodicals archive ?
Unlike these ophiolites the Muslim Bagh ophiolite has a less developed gabbroic section and its crustal part and consists of cyclic succession of ultrmafic-mafic cumulates at the base which grades upward into foliated gabbros.
The geochemical features of the major and trace elements show that the rocks have both cumulates and non-cumulates phases and that all the three minerals; olivine, pyroxenes and plagioclases (ol + pyx + pl) are involved in the fractionation process.
Anorthosite is synonymous with a range of plagioclase cumulates that include anorthosite sensu stricto ([greater than or equal to] 90 vol% plagioclase) as well as leuconorite, leucotroctolite and leucogabbronorite (each containing 67.
5-100 vol% plagioclase, (2) minor amounts of gabbronorite and ferrodiorite, (3) lack of complementary mafic-ultramafic cumulates, (4) predominantly massive adcumulate-mesocumulate texture, (5) mottling, foliation, and modal layering, (6) block structure, (7) plagioclase ([An.
BillyWebCard(c) is an innovative financial product for children, that cumulates the advantages of a very attractive savings account (4.
Below 490 feet the hole intersected plagioclase-bronzite-augite cumulates of the lower gabbro unit.
Treasure Hunt 2001: This riddle-infested journey cumulates with a prize worth $1,000,000 for the person who solves all the mental challenges the game throws in the player's path.
These claims cover the upper member of the Ultramafic series composed of cumulates of Olivine and Bronzite, as well as the contact between the Ultramafic series and the Banded series.
Also, olivine crystals were identified within the anorthosite/norite rocks and locally the core was comprised of magnetite and plagioclase suggesting development of cumulates.