#geolog

[babyfoxcollectionthings]

[darwinsdoor]

Gliders of the Prehistoric World - Darwin's Door

After exploring the evolution of flight, now we can question how gliding came to be.

This Fossil Friday, we are concluding our series on the evolution of flight by discussing the gliders of the prehistoric world, and ask, were they as common as gliders in our modern world?

[bijoux-et-mineraux]

Benitoite with Natrolite - Dallas Gem Mine, San Benito Co., California

[kindzalka]

[beautifulmars]

HiPOD (6 Dec 2017): The wind is your only companion at Meridiani Planum 

  This area in Meridiani Planum is not far from the landing site of the rover Opportunity. (270 km above the surface) 

[earthstory]

Rooms carved into columns of eroding volcanic ash, Cappadocia, Turkey

[rie-k-photo]

'Bwa Gwyn Sunset' - Rhoscolyn, Anglesey by Kristofer Williams http://ift.tt/2wyLJ5N

[salmangems85]

Mexican Orange Opal. This transparent lusterous Opal in the oval shape is 2.7 carats and is 12.51x8.88x5.69 mm in size is available for sale. Price is $60 plus shipping. DM for inquiries . . . . . . . . . #opal#mexicanop#fireopal#gemstones#gemology#geolog#mineralogy