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Wakulla Springs

Here's a series of seven clips on Wakulla by Chuck Ford featuring the work of the Woodville Karst Plain Project and the Wakulla Watershed Coalition. 

Group preparing for dive through Wakulla, Leon cave system

Via Tallahassee.com...

This weekend, a monumental dive will take place when McKinlay and fellow diver Jarrod Jablonski embark on a 7-mile, seven-hour underwater exploration, entering at Turner Sink on Saturday and emerging in Wakulla Springs on Sunday.

.. more here.

Inside Black Country [Mines]

... clip is here.

Rivers Do Not Act As Barriers For Groundwater Flow

Via sciencedaily.com...

The research team from the Geodynamics Department at the University of Granada and the Spanish Institute of Geology and Mining (which is part of the Spanish Ministry of Education and Science) has studied the hydrogeology of the karst aquifers in the Mediterranean climate. It has been found that, contrary to popular belief, rivers do not act as insurmountable barriers for groundwater flow.

... more here.

Wakulla-Leon Sinks Cave System Overview

‘Holy grail of cavers: Virgil the Turtle’s Greathouse Cave

Via Helenal IR...

“It’s obviously glacier created,” Brown said of the cave. “It’s impossible to tell how old the cave actually is. Certainly, the last glacial period, from 10,000 to 1.5 million years ago, had a lot to do with its formation. We think that the clay deposited in the bottom half of the cave may have resulted from sediment that was carried into the cave by glacial melt water. Each band in the clay layer may represent a separate flooding and deposition event. There are a lot of them so this obviously went on for a very long time.

... more here.

Mars caves forged by volcanoes and meteors

Via News in Science...

The Hawaiian lava cave microbes are particularly fond of those minerals in the caves which are made of rocks that have weathered away by water.

So if there were ever watery times on Mars, lava caves would probably have evidence of them, plus signs of any past life.

... more here.

Maryland sinkhole study rocks geology world

Via Capitol Online...

A state-funded study of sinkholes in pockmarked Frederick County has won its author a national award for shaking up assumptions about why the earth sometimes collapses..

... read more here.

Underground 'Snowy River' Alive Again

... read more here.

... Fort Stanton cave image gallery here.

Bill Stone: Journey to the center of the Earth ... and beyond