HALITE


Halite is an evaporative sedimentary rock composed primarily of the mineral halite (sodium chloride). Halite beds form when seas and playas dry, precipitating their mineral content. Some halite beds are more than 1000 feet thick.

Some of the more interesting halite beds reveal the history of the Mediterranean basin, as some of these salt beds lie beneath the sea, and must have formed when the Strait of Gibraltar closed and the Mediterranean Sea dried out. This event (or series of events) is called the Messinian Salinity Crisis and occurred nearly 6 million years ago. Evidence exists that the dry basin may have been 3 to 5 kilometers below sea level (far deeper than any current dry land), enough to experience very high pressures (50% greater than sea level air pressure today), and consequent very high temperatures due to adiabatic heating: up to 80C (176 F) at the greatest depths.

This site awarded
See Steve's video interview about asteroid capture at Moonandback:
Part 1
Part 2
Part 3

See Steve's blog

Ramblings
On The Future
Of Humanity


(recent post)
A Project Plan for Space Based Solar Power


You
can make a difference! Help President Obama, NASA, and the people of Earth. See the
Apophis Challenge for solutions to
- Global Warming
- Global Energy
- Man in Space
- Preventing the next Extinction Level Event

 


Copyright ©1995-2014 by Amethyst Galleries, Inc.
Site design & programming by galleries.com web services