Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective mineralogy Describing
minerals containingferrous iron
Etymologies
Sorry, no etymologies found.
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Examples
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On the Moon, a group of rocks called ferroan anorthosites or FANs are thought to have been one of the last things to crystallize out of the magma oceans, forming the first lunar crust.
Ars Technica Scott K. Johnson 2011
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The estimate, reported in today's issue of Nature, comes from a new dating of isotopes of lead and neodymium found in samples of ferroan anorthosite, a crustal rock that derives from magma.
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The estimate, reported in tomorrow's issue of Nature, comes from a new dating of isotopes of lead and neodymium found in samples of ferroan anorthosite, a crustal rock that derives from magma.
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