Geology

Adrenochrome, German
@Adrenochrome@mastodon.social avatar

Amazing and from the 1991 find - Dikuluwé mine, Katanga province, DR ...5.5 cm.
Photo credit: J. Scovil
By

Adrenochrome, German
@Adrenochrome@mastodon.social avatar

This is Incredible in Matrix From
Photo Copyright ©️ Michigan Rocks & Minerals
By

minouette,
@minouette@spore.social avatar

Happy birthday to Danish Inge Lehmann (1888 – 1993) who demonstrated that the Earth's core is not a single molten sphere, but contained an inner solid core, in ‘36. She was a pioneer , a brilliant seismologist & lived to be 105.⁠

As she first postulated, the has roughly 3 equal concentric sections: mantle, liquid outer core & solid inner core. 🧵1/n

Flot14, French
@Flot14@mastodon.social avatar

Sketches of animals and plants from the Devonian period Made with graphite pencil ✏️🔍
#painting #artoftheday

earthchild,
@earthchild@mastodon.social avatar

Opals form in cavities within rocks. If a cavity has formed because a shell was buried in sand or clay that later became rock, and conditions are right for opal formation, then it forms a fossil replica of the original object.

https://www.geologypage.com/2017/04/opalised-fossils-form.html

#geology

photo: https://www.pinterest.com/pin/535506211945205379/

RebelGeo,
@RebelGeo@mastodon.social avatar
vickyveritas,
@vickyveritas@c.im avatar

@RebelGeo Yes I have been hearing about this. Great study! Thanks, Peggy!

CWilbur,
@CWilbur@sfba.social avatar

Random shot. #geology #baja

CWilbur,
@CWilbur@sfba.social avatar

Boleite: Little cubic crystals of a complex copper/silver salt. From the finest private Baja collection there is.

silicatefondue,
@silicatefondue@fosstodon.org avatar

From a 1929 book on Child's Geography:
"But the World still kept on cooling and cooling, and as it cooled it shrank and shriveled and wrinkled and crinkled and puckered like the outside of a prune. You know a prune was once smooth and round when it was a plum. These little wrinkles and crinkles rose up out of the ocean and were the continents and mountains, so you see how big the wrinkles and crinkles really are."

@oldbookillustrations

GregCocks,
@GregCocks@techhub.social avatar
jascha,
@jascha@mastodon.social avatar

Interesting summary of the ongoing saga of the moving mud pot in Niland, near the Salton Sea in Southern California. I had just started a geophysics project in that area when I left my faculty position, it would have been fun to try and figure this out!

https://www.desertusa.com/desert-california/niland-geyser.html

ianRobinson,
@ianRobinson@mastodon.social avatar

TIL that not only is the Grand Canyon not the deepest canyon on land in the world, it’s not even the deepest one in the USA (where it’s third deepest!)

The deepest land canyon is in the Himalaya Mountains.

See https://youtu.be/_dwmKJ7cxBo

caban4,
@caban4@mastodon.online avatar

@ianRobinson I see that my answer was as clear as mud. I meant that Colca is twice as deep as the Grand Canyon. Sorry for the confusion.

ianRobinson,
@ianRobinson@mastodon.social avatar

@caban4 Ah 😊

doomscroller,
@doomscroller@mastodon.online avatar

Myron Cook: Explore Mysterious Rivers On The Deep Seafloor
https://www.youtube.com/watch?v=WtmIBabc7yc

Adrenochrome, German
@Adrenochrome@mastodon.social avatar
SensingIberianscapes,
@SensingIberianscapes@archaeo.social avatar

Our project's website is now live!
Check out https://www.sensingiberianscapes.es to get a glimpse into our project, meet the team behind it, and stay in the loop with all our latest updates and activities!

mattotcha,
@mattotcha@mastodon.social avatar
  • All
  • Subscribed
  • Moderated
  • Favorites
  • Geology
  • cubers
  • Youngstown
  • ngwrru68w68
  • ethstaker
  • slotface
  • PowerRangers
  • hgfsjryuu7
  • khanakhh
  • kavyap
  • tsrsr
  • InstantRegret
  • DreamBathrooms
  • mdbf
  • magazineikmin
  • Leos
  • rosin
  • tacticalgear
  • thenastyranch
  • Durango
  • osvaldo12
  • vwfavf
  • modclub
  • everett
  • GTA5RPClips
  • cisconetworking
  • normalnudes
  • tester
  • anitta
  • All magazines