Geology Chronicles
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Welcome to the blog for all things geological.
Geology Chronicles
3y ago
thisobscuredesireforbeauty:
“Baikal Zen”: Rocks that have fallen on the ice of Lake Baikal are heated by sunlight and emit infrared rays that melt the ice below. Once the sun is gone, the ice becomes solid again, creating a small support for the rock above ..read more
Geology Chronicles
3y ago
odditiesoflife:
The Most Photographed Stone East of the Mississippi
Very near the Soudan Underground State Park administered by the Minnesota Department of Natural Resources is what some people call “the most photographed outcrop in the state.” This is a pavement outcrop of folded banded iron formation. The outcrop consists of metallic hematite, red jasper and white chert. These originally horizontal layers have been folded multiple times. In some areas, the jasper and chert have fractures filled with milky quartz ..read more
Geology Chronicles
3y ago
vugnasmineralblog:
Vanadinite ACF Mine, Mibladen, Midelt Province, Drâa-Tafilalet Region, Morocco   ..read more