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You are browsing the archive for speleothem.

July 8, 2013

Monday Geology Picture: A Stripe of Sunlight on Table Mountain, South Africa

A few weeks ago my husband and I were driving to work one morning in Cape Town, South Africa. As always, we had a stunning view of Table Mountain. However, that morning the mountain looked particularly stunning since it was illuminated by a thick strip of sunlight, which was streaming through some clouds on the overcast day.

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July 19, 2012

The Geology of Star Trek: The Next Generation Episode “Chain of Command, Part I”

Like my fellow geoblogger Jessica Ball, I wish that I could be a geologist on Star Trek. I can think of no better, more exciting job than traveling the universe as a geological researcher for the United Federation of Planets. Sign me up, Starfleet! Maybe one day in my life– or in my children’s or grandchildren’s lives– there will be opportunities for Earth geologists to travel to other planets and …

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February 14, 2012

My First Storify: Pseudospeleothem

I’ve been meaning to play around with Storify for awhile, but I’ve been busy writing my thesis and haven’t had time. However, I couldn’t resist Storifying the fun discussion I had about the “word” pseuedospeleothem on Twitter. Enjoy! Don’t know what a speleothem is? Read here.

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November 18, 2011

Cango Caves in Pictures

I haven’t yet received a reply to my letter to Dr. Sheldon Cooper about why geology is a real and valuable science and why caves are interesting, but that’s okay. For those of you who agree that caves are interesting, I thought I’d share some pictures from my most recent spelunking trip. Back in September, my husband and I took a weekend trip to Outdshoorn, South Africa, where I rode …

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March 9, 2011

Geology Word of the Week: S is for Speleothem

Posing with a pseudostalagmite, Oman, January 2009. def. Speleothem: An encompassing term used to describe all types of chemical precipitates that form in caves. If you’ve ever been in a cave, you’ve probably seen speleothems. Speleothems generally precipitate from groundwater which has percolated through the bedrock surrounding the cave and leached various elements and compounds. When the enriched water reaches the cave, changing conditions (a large open space has very …

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