Sentences with phrase «magmatic rock»
Professor Luca Caricchi adds: «When we determine the age of a family of zircons from a small sample of solidified magmatic rock, using results from the mathematical model we have developed, we can tell what the size of the entire magma chamber was, as well as how fast the magma reservoir grew.»
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These volcanic rocks covered a huge area, across four continents, representing the Central Atlantic Magmatic Province (CAMP).
On its way toward the surface the magmatic fluids cool and deposit copper in the fractured rocks forming giant metal deposits such as those exploited along the Andean Cordillera.
Shellnutt (2017), in a succinct review of the Panjal Traps (c. 290 Ma), an important component of the Himalayan magmatic province, discusses the synchronous nature of basalts, that chemically range from continental tholeiite to ocean - floor basalt, and crustally derived silicic volcanic rocks (rhyolites and trachytes: 206Pb / 238U zircon in situ age of 289 ± 3 Ma), that developed in a shallow lithospheric rift with significant mingling between crustal melts and mafic magmas.
Minerals such as iron, potassium, calcium, manganese, silicone and copper, which are picked up as rainwater infiltrates through magmatic volcanic rock in French volcanoes.