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Geology 101

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new	THE TEMPERATURES OF MAGMAS

369

by 1dave
Mar 21, 2020 12:31:43 GMT -5

Obsidian

2,418

by Fossilman
Mar 21, 2020 10:13:32 GMT -5

new	Cresson Gold - Cripple Creek Colorado

1,287

by 1dave
Mar 19, 2020 20:03:57 GMT -5

new	Acid Mining Cleanup!

784

by parfive
Mar 6, 2020 14:06:01 GMT -5

new	MY Volcano

727

by 1dave
Feb 28, 2020 10:52:50 GMT -5

new	Precious Sedimentary Treasures

440

by 1dave
Feb 11, 2020 15:44:40 GMT -5

new	Wyoming Rockhounding

693

by fishnpinball
Jan 17, 2020 14:11:55 GMT -5

new	Tons of Giant Nephrite Jade Discovered in Canada

1,054

by parfive
Jan 12, 2020 12:59:45 GMT -5

new	New Way to Date Rocks

471

by 1dave
Jan 11, 2020 6:51:01 GMT -5

new	Mirabilite Mounds appear in the Great Salt Lake

423

by 1dave
Jan 10, 2020 2:43:30 GMT -5

new	Once in a while, it ain’t the tinnitus

428

by aDave
Jan 9, 2020 19:53:28 GMT -5

new	Mysterious Blue Stone

418

by gemfeller
Dec 31, 2019 1:54:11 GMT -5

new	Death Valley

360

by 1dave
Dec 27, 2019 15:10:54 GMT -5

new	Spheroids as Igneous Data Collectors

382

by rockjunquie
Dec 21, 2019 17:55:20 GMT -5

new	US Crust Thickness

723

by cosmetal
Dec 21, 2019 12:31:41 GMT -5

new	The Largest Volcano on Earth

356

by 1dave
Dec 12, 2019 7:33:55 GMT -5

new	From Diatoms to Chert

1,516

by RWA3006
Dec 7, 2019 14:55:00 GMT -5

new	Yucca Mt. Thundereggs

436

by 1dave
Dec 1, 2019 5:39:35 GMT -5

new	Emerald Weighing More Than 800 Pounds Found in Brazil

534

by greig
Nov 27, 2019 18:37:01 GMT -5

new	Earthquake Safety

424

by 1dave
Nov 16, 2019 9:20:46 GMT -5

new	Composition of Mars

525

by 1dave
Nov 10, 2019 10:11:02 GMT -5

new	WI Laurentide Ice Sheet

1,514

by Win
Sept 28, 2019 12:16:17 GMT -5

new	H2O - Simply Complicated

1,586

by 1dave
Sept 25, 2019 8:43:45 GMT -5

new	Finding area elevations with Google Earth

528

by parfive
Sept 22, 2019 12:40:33 GMT -5

STARDUST

592

by 1dave
Aug 24, 2019 20:15:33 GMT -5

new	Oregon Geology History

795

by halitedigger
Jun 5, 2019 4:53:33 GMT -5

new	How the universe creates gold . . .

524

by Kai
May 27, 2019 12:24:46 GMT -5

new	Waterfall in the sky?

512

by Rockindad
May 23, 2019 19:03:32 GMT -5

new	Nick - On the Rocks

579

by braat
May 21, 2019 2:09:39 GMT -5

new	Thundereggs and Supervolcanoes

593

by Rockindad
May 18, 2019 22:52:33 GMT -5

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ThomasT: Too hot to trot... Jun 21, 2024 13:03:58 GMT -5

RickB:

Cat on a Hot Tin Roof Jun 21, 2024 13:52:50 GMT -5

amygdule: Orange George on the Roof

Jun 21, 2024 16:16:50 GMT -5 *

RickB:

(thumbs-up)

Jun 21, 2024 16:47:15 GMT -5

RickB:

Dog on a Hot Tin Roof Jun 21, 2024 18:21:34 GMT -5

A Raccoon on hot pavement
Jun 21, 2024 20:25:42 GMT -5 *

RickB: Beetles on a hot crosswalk

Jun 21, 2024 21:13:09 GMT -5

Jun 21, 2024 23:11:02 GMT -5

amygdule: If you're Lactose Intolerant, you can jump in the Ocean. Water temp 57.2°F. June 22, 2024

Jun 22, 2024 16:17:58 GMT -5 *

RickB: You're gonna need a bigger boat. Jun 23, 2024 10:17:46 GMT -5 *

RickB:

Jun 23, 2024 10:19:26 GMT -5

amygdule: And another cigarette lighter

Jun 23, 2024 14:51:04 GMT -5

parfive: . . . and battery cables to jump the shark.
Jun 23, 2024 17:12:45 GMT -5

Jun 23, 2024 18:59:38 GMT -5

RickB: You're gonna need a bigger charger. Jun 25, 2024 5:48:45 GMT -5

RickB:

Jun 25, 2024 5:49:19 GMT -5

Wooferhound: Adapt or Die Jun 25, 2024 12:11:43 GMT -5

parfive: How deep is your cycle? Jun 25, 2024 12:46:20 GMT -5

amygdule: a 5 foot swell on June 25, 2024

Jun 25, 2024 15:17:30 GMT -5 *

RickB: It's National Coconut Day

Jun 26, 2024 4:56:10 GMT -5 *

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Welcome to the Rock Tumbling Hobby Forum where we share a love of rocks and a sense of community as enduring as the stones we polish. The RTH Forum of www.RockTumbling.com is an Amazon Associate site and we earn money from qualifying purchases you make after clicking on our links such as this Rock Tumbling Supplies on Amazon link for instance, or any of our various product ads and banners. By clicking our links every time you begin your Amazon shopping experience, you are generating a bit of revenue for the forum which helps us cover our expenses. Thank you for your support!