Come with me on a trip to the Grand Canyon to learn about how old the layers in the grand canyon formed, how and when the canyon was cut (for which there are mulitple hypotheses!), what kind of rocks you can find here, and other amazing facts about this incredible canyon! Hope you enjoy ;D
0:00 Grand Canyon Geology Intro
0:58 Over 1.7 billion yrs ago (Nuna supercontinent)
2:05 1.2 to 0.8 billion yrs ago (Rodinia & Snowball Earth)
3:20 540 to 360 million yrs ago (changing sea level)
4:10 360 to 320 million yrs ago (warm, shallow sea)
6:32 320 to 280 million yrs ago (changing sea level)
7:15 300 to 250 million yrs ago (desert dunes)
8:35 Final Rock Deposition Timeline
8:56 The Great Unconformity (over 1 billion yrs missing!)
11:21 How & When the Canyon was cut
12:56 Fun Facts about the Grand Canyon!
17:05 Outtakes ;)
References:
USGS Geologic Map of Grand Canyon: d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/atoms/files/GrandCanyonGeologicMap.pdf
ASU interactive geologic map of Grand Canyon: rclark.github.io/grand-canyon-geology/
ASU @AstrobioVFT video on zororaster granite & vishnu schist!: ua-cam.com/video/pku11lU6McI/v-deo.htmlsi=ugNQXIRNaDwfCd2a
Earth System History: amzn.to/3v1Iy0G
PlanetGEO podcast (on spotify & apple podcast): planetgeocast.com/
Explore geology deeper with CampGeo - podcast-like conversation with visuals that bring geological concepts to life! Check it out here: campcourses.app.link/p5q0W0bxwMb
GEO GIRL Website: www.geogirlscience.com/ (visit my website to see all my courses, shop merch, learn more about me, & donate to support the channel if you'd like!)
Non-textbook books I recommend:
Oxygen by D. Canfield: amzn.to/3gffbCL
Brief history of Earth by A. Knoll: amzn.to/3w3hC1I
Life on young planet by A. Knoll: amzn.to/2RBMpny
Some assembly required by N. Shubin: amzn.to/3w1Ezm2
Your inner fish by N. Shubin: amzn.to/3cpw3Wb
Oxygen by N. Lane: amzn.to/3z4FgwZ
Alien Oceans by K. Hand: amzn.to/3clMx1l
Life's Engines: amzn.to/3w1Nhke
Tools I use as a geologist/teacher/student:
Geology field notebook: amzn.to/3lb6dJf
Geology rock hammer: amzn.to/3DZw8MA
Geological compass: amzn.to/3hfbdLu
Geological hand lens: amzn.to/3jXysM5
Camera: amzn.to/3l6fGRT
Carbon-neutral pencil bag: shrsl.com/3cvjv
Carbon-neutral backpack: shrsl.com/3cvkc
Disclaimer: Links included in this description might be affiliate links. If you purchase a product or service with the links that I provide I may receive a small commission, but there is no additional charge to you! Thank you for supporting my channel so I can continue to provide you with free content each week! And as always, let me know your topic suggestions in the comments down below!