Dunes in Arizona

rare-element pegmatite . Rare-earth- and rare-metal-bearing pegmatite formed under conditions of lower amphibolite metamorphism (~2 to 4 kilobars pressure) peripheral to granitic intrusions.

Flow of data

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Critical Issues Webinars

Register for our free webinar Assessing, Mitigating, and Communicating Flood Risk , which will be held on February 8th at 1:00pm EST.

Congressional Geoscience Fellowship

Spend a year on Capitol Hill combining your science and policy making. Apply by 1 February.

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Full-text abstracts from the 35th International Geological Congress in Cape Town, South Africa now online.


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