The Biggest Lava Flow on Earth (Might Be in Michigan)
322 هزار بار بازدید -
2 سال پیش
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About a billion years ago,
About a billion years ago, huge volumes of lava covered northern Michigan. About 200 years ago, those lava flows gave rise to the first major, mechanized copper mine in North America. This is the story of the Greenstone Flow and the Cliff Mine in Michigan's Keweenaw Peninsula.
✨ Want to support my work? Well, hey, thank you so much. You can learn more about how to keep this thing going at Patreon: alexisdahl.
☕ Find this series valuable, but Patreon isn't for you? You can also help keep this thing going at http://www.buymeacoffee.com/alexisdahl.
🎉 The thank-you section:
Special thanks to Dr. Laurel Woodruff (USGS) and Dr. Sean Gohman (Keweenaw National Historical Park Advisory Commission) for their review of this script and insight into the Greenstone Flow and the Cliff Mine.
Special thanks as well to Amanda Makela at 2nd Sandbar Productions for the gorgeous drone footage!
You can read the 1842 Treaty of La Point here, courtesy of the Keweenaw Bay Indian Community: https://www.kbic-nsn.gov/index.php/go...
Find Me Elsewhere:
• Find stickers, hats, and other merchandise related to these videos: http://www.alexisdahl.com/store
• Want to get semi-monthly e-mails about my latest videos and other happenings? You can sign up here: http://www.alexisdahl.com/newsletter
• Want to work together or learn more about my work? Contact me at http://www.alexisdahl.com/
• On Instagram, I upload nature photos, plus odds and ends: Instagram: alexis.writes
#geology #upperpeninsula #history
Correction:
11:50 I dropped a word here. The Cliff has been considered the first major /copper/ mine in North America.
✨ Want to support my work? Well, hey, thank you so much. You can learn more about how to keep this thing going at Patreon: alexisdahl.
☕ Find this series valuable, but Patreon isn't for you? You can also help keep this thing going at http://www.buymeacoffee.com/alexisdahl.
🎉 The thank-you section:
Special thanks to Dr. Laurel Woodruff (USGS) and Dr. Sean Gohman (Keweenaw National Historical Park Advisory Commission) for their review of this script and insight into the Greenstone Flow and the Cliff Mine.
Special thanks as well to Amanda Makela at 2nd Sandbar Productions for the gorgeous drone footage!
You can read the 1842 Treaty of La Point here, courtesy of the Keweenaw Bay Indian Community: https://www.kbic-nsn.gov/index.php/go...
Find Me Elsewhere:
• Find stickers, hats, and other merchandise related to these videos: http://www.alexisdahl.com/store
• Want to get semi-monthly e-mails about my latest videos and other happenings? You can sign up here: http://www.alexisdahl.com/newsletter
• Want to work together or learn more about my work? Contact me at http://www.alexisdahl.com/
• On Instagram, I upload nature photos, plus odds and ends: Instagram: alexis.writes
#geology #upperpeninsula #history
Correction:
11:50 I dropped a word here. The Cliff has been considered the first major /copper/ mine in North America.
2 سال پیش
در تاریخ 1401/12/05 منتشر شده
است.
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