Category Archives: Geology

Rapid Bedrock Incision by Water Stream Outburst: The Case of the Oroville Dam (California, USA)

New observational data on the phenomenon of rapid bedrock erosion became recently available after the well documented events that affected the Oroville Dam in February 2017. The Oroville Dam, located in northern California, USA, confines a large water reservoir (Lake … Continue reading

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Is there biological evidence of life’s recent creation?

During one of my frequent visits to the office of my high school headmaster, his individual tutelage yielded a life lesson that I’ve never forgotten. His exact words were, “You think you’re right!” Of course I thought I was right, … Continue reading

Posted in Biogeography, Biology, Dating and the Age of the Earth, Dinosaurs, Evolutionary Theory, Molecular | Tagged , , , , , , , , , , , , , , | Leave a comment

Preservation of Dinosaur Soft Tissue: An Update

“You are dust, and to dust you shall return.” This verse from Genesis 3 captures very well the fate of beautifully designed organisms after the entrance of sin into the world. But how long does it take for the organic … Continue reading

Posted in Chemistry, Dating and the Age of the Earth, Dinosaurs, Fossils, Molecular | Tagged , , , , , , , | 2 Comments

What is the evidence for a large asteroid impact at the Cretaceous-Paleogene (K-Pg) boundary?

The hypothesis of a large meteorite impacting the surface of the Earth at the end of the Cretaceous was introduced almost four decades ago.[1] In the ensuing years, the geologic community gathered a large body of data in support of … Continue reading

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Stability of Organic Molecules: Lessons from Vitamin C

The  stability of organic (carbon-based) molecules is an interesting and challenging topic as there are many different types of functional groups, molecular configurations, and molecular collisions to consider.  Research on the stability of ascorbic acid (Vitamin C) and other vitamins … Continue reading

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The geological story told by Iceland

Iceland is a volcanic island in the North Atlantic Ocean, slightly below the Arctic Circle. The island is situated on a mid-ocean ridge at the boundary between the North American plate and the Eurasian plate. In Iceland, we find evidence of horizontal movements, in which two plates spread apart as the crust dilates with intrusion of new magma. Iceland, however, is also associated with a mantle plume (a narrow stem of upwelling of magma from deep in the mantle) that has maintained volcanism high and vigorous. Continue reading

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Alpine ophiolites: Remnants of a lost ocean

In 1813, French geologist Alexandre Brongniart published a paper on the mineralogical classification of rocks[1] where he introduced the new name “ophiolite” for a suite of dark rocks rich in the mineral serpentine. The name was coined from the Greek … Continue reading

Posted in Geology, Philosophical and Historical Perspectives, Plate Tectonics | Tagged , , , , , , , | 1 Comment