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A 152 cm tall stalagmite (KIM1) was collected from the El Niño-Southern Oscillation (ENSO)-sensitive and monsoon-dominated Kimberly region of northwestern Australia. Read More…
Two morphologies of Millepora, currently classified as separate species, exist off the coast of the Bahamas. Read More…
Melt transport, the movement of molten rock through the Earth’s relatively solid outer shell, is important in many geological processes. Volcanism at subduction zones and hot spots and the formation of oceanic crust at mid-ocean ridges all involve melt transport. To increase our understanding of how melt moves from depth to Earth’s surface, we conducted experiments at high temperature and pressure on fabricated rock samples of modeled mantle rock compositions. Read More…
In 2008, Cornell College’s Geology Club helped sponsor a trip for twelve students to Big Bend National Park in Texas. Read More…
The transition from the Pennsylvanian to the Permian in the tropics of western Pangea was marked by a general trend toward increased temperature and decreased soil moisture, based on geophysical indicators, such as paleosol morphologies and oxygen isotopes. Read More…
Zircon is a strong mineral capable of withstanding extreme geologic pressures and temperatures. It is able to retain geochemical signatures. which allow the timing of geologic events to be determined. Read More…
Metamorphic rocks, gneisses and pegmatites, from the Western Gneiss Region in southwestern Norway were analyzed to determine when the area was metamorphosed at ultrahigh pressures during the Caleonidonian orogeny. Read More…
Fire coral from the genus Millepora are ubiquitous in tropical western Atlantic reefs. Two distinct morphologies of Millepora, currently classified as separate species, exist off the coast of the Bahamas. M. complanata have broad, smooth blades and prefer shallow waters whereas M. alcicornis have knobby branches and prefer deeper waters. Read More…
The genus Millepora, commonly known as fire coral, is a calcareous hydrozoan common in tropical seas worldwide. Read More…
In moisture-limited environments, meteoric precipitation is the primary control of speleogenesis. We have investigated the growth histories of two stalagmites, 117 & 118, from C -126 Cave, Cape Range, Western Australia (22.1°S, 113.9°E) in order to reconstruct the timing of wet and dry periods during the Holocene and latest Pleistocene. Read More…