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From 503-million-year-old fungi to recent earthquakes: New Geology posted ahead of print
Date:4/20/2012

Boulder, Colo., USA Geology posted ahead of print on 19 April reports on evidence of the earliest chemical footprints of mycorrhizal fungi in a 503-million-year-old soil; a complex assemblage of trace fossils, including simple trails and branching burrow systems, in Sirius Passet, Greenland; evolution of a submarine canyon along the Ebro Margin, NW Mediterranean; and the growth of sub-tropical forests in Europe 13-17 million years ago, a crucial period for ape evolution that corresponds to their appearance there.

Highlights are provided below. Geology articles published ahead of print can be accessed online at http://geology.gsapubs.org/content/early/recent. All abstracts are open-access at http://geology.gsapubs.org/; representatives of the media may obtain complimentary articles by contacting Kea Giles at the address above.

Please discuss articles of interest with the authors before publishing stories on their work, and please make reference to Geology in articles published. Contact Kea Giles for additional information or assistance.

Non-media requests for articles may be directed to GSA Sales and Service, gsaservice@geosociety.org


Large-scale liquid immiscibility at the top of the Bushveld Complex, South Africa
J.A. VanTongeren Yale University, Kline Geological Laboratory, New Haven, Connecticut 06520, USA and E.A. Mathez. Posted online 19 April 2012; doi: 10.1130/G32980.1.

The Bushveld Complex layered intrusion is one of only a handful of exhumed fossil mafic magma chambers on Earth, and it is vital for understanding of magma evolution and differentiation prior to eruption. Scientists have long argued over whether these magma chambers evolve to produce Fe-rich or Si-rich magmas near the end of their crystallization
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Contact: Kea Giles
kgiles@geosociety.org
Geological Society of America
Source:Eurekalert

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