Robert S. Coe
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View article: Discovery of two new super-eruptions from the Yellowstone hotspot track (USA): Is the Yellowstone hotspot waning?
Discovery of two new super-eruptions from the Yellowstone hotspot track (USA): Is the Yellowstone hotspot waning? Open
Super-eruptions are amongst the most extreme events to affect Earth’s surface, but too few examples are known to assess their global role in crustal processes and environmental impact. We demonstrate a robust approach to recognize them at …
View article: Discovery of two new super-eruptions from the Yellowstone hotspot: Is Yellowstone hotspot waning?
Discovery of two new super-eruptions from the Yellowstone hotspot: Is Yellowstone hotspot waning? Open
Super-eruptions are amongst the most extreme events to affect the Earth’s surface, but too few examples are known to assess their global role in crustal processes and environmental impact. We demonstrate a robust approach to recognise them…
View article: Synchronizing volcanic, sedimentary, and ice core records of Earth’s last magnetic polarity reversal
Synchronizing volcanic, sedimentary, and ice core records of Earth’s last magnetic polarity reversal Open
Earth’s last magnetic field reversal was complex, with excursions at 795 and 784 ka before a final polarity flip at 773 ka.
View article: Millennial‐Scale Instability in the Geomagnetic Field Prior to the Matuyama‐Brunhes Reversal
Millennial‐Scale Instability in the Geomagnetic Field Prior to the Matuyama‐Brunhes Reversal Open
Changes in the Earth's magnetic field have global significance that reach from the outer core extending out to the uppermost atmosphere. Paleomagnetic records derived from sedimentary and volcanic sequences provide important insights into …
View article: Distinguishing and correlating deposits from large ignimbrite eruptions using paleomagnetism: The Cougar Point Tuffs (mid‐Miocene), southern Snake River Plain, Idaho, USA
Distinguishing and correlating deposits from large ignimbrite eruptions using paleomagnetism: The Cougar Point Tuffs (mid‐Miocene), southern Snake River Plain, Idaho, USA Open
In this paper, we present paleomagnetic, geochemical, mineralogical, and geochronologic evidence for correlation of the mid‐Miocene Cougar Point Tuff (CPT) in southwest Snake River Plain (SRP) of Idaho. The new stratigraphy presented here …
View article: A new protocol for three-axis static alternating field demagnetization of rocks
A new protocol for three-axis static alternating field demagnetization of rocks Open
Static three-axis alternating field (AF) demagnetization is the most common method regularly implemented for removing magnetic components of rock samples. This method is so widely used that one of its main limitations, the acquisition of g…
View article: Development of a 0.5 T magnetic‐core alternating‐field demagnetizer
Development of a 0.5 T magnetic‐core alternating‐field demagnetizer Open
We have constructed an alternating‐field (AF) demagnetizer with a magnetic core in a passively air‐cooled coil that can routinely operate at fields up to 0.5 T, almost 3 times higher than we could attain before in our commercial instrument…
View article: Mid-Miocene record of large-scale Snake River–type explosive volcanism and associated subsidence on the Yellowstone hotspot track: The Cassia Formation of Idaho, USA
Mid-Miocene record of large-scale Snake River–type explosive volcanism and associated subsidence on the Yellowstone hotspot track: The Cassia Formation of Idaho, USA Open
The 1.95-km-thick Cassia Formation, defined in the Cassia Hills at the southern margin of the Snake River Plain, Idaho, consists of 12 refined and newly described rhyolitic members, each with distinctive field, geochemical, mineralogical, …