Unaweep Canyon - Two Creeks Flow Out Of Either End Of This [Colorado] Canyon In Opposite Directions
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https://www.atlasobscura.com/places/unaweep-canyon <-- shared technical article
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https://doi.org/10.1130/GES01112.1 <-- shared paper
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[seems like a motorcycle road trip is in order - and happy to visit this beautiful part of the world again]
#geology #colorado #paleovalley #UnaweepCanyon #unaweep #precambrian #unique #divide #water #hydrology #underfit #drainage #EastCreek #WestCreek #Dolores #Uncompahgre #UncompahgrePlateau #erosion #Gunninson #canyon #Tabeguache #mapping #geologicmapping #fieldwork #Cenozoic #gravel #sediment #rockcore #coring #lacustrine #geomorphology #geomorphometry #dating #landform #volcanics #tectonics
Someone, call Mario! We've sprung a leak!
#NorthAmerica is dripping from below, #geoscientists discover https://buff.ly/M7CXKiF
Modelling suggests that Earth's first crust, which fractionated from a magma ocean, would have had a similar trace element composition to modern continental crust: in other words, this signature is not a reliable marker of subduction and plate tectonics on the young Earth.
Map of today’s M5.2 #earthquake near Julian in the context of regional past seismicity. This event was located near the Elsinore #fault and relatively deep at 18 km.
#julian #california #geoscience #seismology #tectonics
Tectonic–climatic interaction (Climatology )
Tectonic–climatic interaction is the interrelationship between tectonic processes and the climate system. The tectonic processes in question include orogenesis, volcanism, and erosion, while relevant climatic processes include atmospheric circulation, orographic lift, monsoon circulation and the rain shadow effect. As the geological ...
"The heavy meteor bombardment during this early period caused extensive disruption and recycling of the crust.
Plate tectonics may have worked in fits and starts, triggered by meteor impacts until about 3.8 billion years ago, when meteor bombardment decreased dramatically as the early Solar System’s chaos gave way to more orderly orbits."
For more insight into the tectonic background of today’s M7.7 #earthquake in Myanmar I’d recommend this blog post and the original article on extrusion tectonics. There is also a video hiding somewhere on YouTube that illustrates this experiment perfectly.
#myanmar #geology #geoscience #tectonics #geophysics
https://blogs.egu.eu/divisions/ts/2021/02/15/ts-must-read-tapponnier-et-al-1982-propagating-extrusion-tectonics-in-asia/
Believe me, we have our best minds working on the "geographically" part.
It occurs to me that moving the USA somewhere else would also be an acceptable fix...
How Did The Great Lakes Form? Scientists Think They Figured It Out
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https://www.earth.com/news/how-did-the-great-lakes-form-surprising-new-clues-have-emerged/#google_vignette <-- shared technical link
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https://doi.org/10.1029/2024GL110777 <-- shared paper
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#geology #mapping #structuralgeology #USA #Canada #GreatLakes #NorthAmerica #CapeVerde #hotspot #tectonics #magma #Superior #Michigan #Huron #Erie #Ontario #freshwater #lake #mantle #formation #pangaea #supercontinent #remotesensing #geophysics #continent #kimberlites #seismicvelocitymodel #model #modeling #plume #lithosphere #glacial #glacier #anisotropy