xenocryst's Usage Examples:

In many other areas, xenocryst (or relict) Hadean zircons enclosed in older rocks indicate that younger rocks have formed on older.

yielded phenocrysts of amphibole, olivine, plagioclase, pyroxene and xenocryst quartz; basement rocks are present as xenoliths and occur as blocks in.

Relict Hadean zircons (xenocrysts) in the Iwokrama Formation suggest that older crust must occur at depth.

Examples of xenocrysts are quartz crystals in a silica-deficient.

2 Ga zircon xenocryst in an Acasta gneiss from northwestern Canada: Evidence for early continental.

interpreted to have been brought up from buried continental crust as fragments entrained as xenocrysts within the basalt.

"Oldest zircon xenocryst (4.

In many other areas, xenocryst (or relict) Hadean zircons enclosed in older rocks indicate that younger.

Mineral texture Porphyritic (large xenocryst surrounded by fine crystals), Melange (mix of minerals), Poikilitic (one.

These zircon xenocrysts originally.

A xenocryst is an individual foreign crystal included within an igneous body.

0 Ga deciphered from xenocryst zircon microstructures.