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Teepee Structure

#Geology #salt #dead see #fold #rock #teepee #sand #water #salte #saline #desert #the earth story #science

Teepee Structure

The fold appearing in these sediments along the shores of the Dead Sea is known as a teepee structure. It’s found freshly-formed here, but similar structures are found in rocks going back billions of years. They are often found in tidal flat and evaporate-rich settings, like one sees today at the shores of the Dead Sea.

This environment gives some idea of how the structure forms. A teepee like this is created when minerals keep growing inside of a layer, as can happen for example when groundwater moves up and down. Each time the water moves out of the layer, the layer dries out and slightly more salt is precipitated. Eventually the layer runs out of room for more salt, but the minerals can still keep growing, creating a compression force within the layer.

That force then lifts the layer up into a tight, teepee-shaped fold, creating this structure.

The migration of water in and out with tides or up and down during wet and dry seasons is key to creating these cycles of mineral growth and creating the pressure it takes for these to develop, so when these are found in the geologic record, it is an indication that the rocks were deposited in a setting near a shoreline.

-JBB

Image credit: http://en.wikipedia.org/wiki/Sedimentary_structures#mediaviewer/File:Halite_Teepee_structure_Dead_Sea_031712.JPG

Read more: http://woostergeologists.scotblogs.wooster.edu/2012/03/17/wooster-geologists-in-an-extraordinary-world-of-salt/ http://books.google.com/books?id=Yebzay3a0FwC&lpg=PA131&ots=T1DClJ9r-K&dq=teepee+structure+sedimentary&pg=PA131#v=onepage&q=teepee%20structure%20sedimentary&f=false

#dead see #sand #teepee structure #geology #v #nature #landscape #sediment #the earth story

7/16DEAD SEA

#dead see #israel #jordan #beach #nature #totes meer #kalia #ein gedi #ein bokek

The Lumineers - Dead Sea

Honey can’t you see? I was born to be, be your Dead sea.

#The Lumineers #Dead see #Song #Folk-rock

The Israel Museum welcomes you to the Dead Sea Scrolls Digital Project, allowing users to examine and explore these most ancient manuscripts from Second Temple times at a level of detail never before possible. Developed in partnership with Google, the new website gives users access to searchable, fast-loading, high-resolution images of the scrolls, as well as short explanatory videos and background information on the texts and their history. The Dead Sea Scrolls, which include the oldest known biblical manuscripts in existence, offer critical insight into Jewish society in the Land of Israel during the Second Temple Period, the time of the birth of Christianity and Rabbinic Judaism. Five complete scrolls from the Israel Museum have been digitized for the project at this stage and are now accessible online.

#israel #dead see #scrolls