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Geology 101

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new	The Formation of Nevada Turquoise

415

by callmerob
Sept 12, 2023 21:42:02 GMT -5

new	Major North American oil source yields clues to one of earth

hummingbirdstones

395

by JR8675309
Aug 28, 2023 21:28:10 GMT -5

new	Devils Marbles - Northern Territory, Australia

202

by rocknewb101
Aug 25, 2023 8:05:49 GMT -5

new	Moqui Marbles by Moab

273

by 1dave
Aug 24, 2023 15:01:26 GMT -5

new	Geological Time

262

by 1dave
Aug 22, 2023 2:42:08 GMT -5

new	Gold? Who Cares?

244

by allbetzoff
Jul 31, 2023 10:36:58 GMT -5

new	Let’s supersize that diamond anvil

199

by jasoninsd
Jul 19, 2023 4:48:54 GMT -5

new	Flipping Magnetic Poles

202

by 1dave
Jul 12, 2023 0:38:30 GMT -5

new	Me, 'splaining

162

by 1dave
Jun 11, 2023 9:39:12 GMT -5

new	Rocky MountainsQuestions

278

by RWA3006
May 28, 2023 10:04:13 GMT -5

new	Texas Geology

11,285

by 1dave
May 26, 2023 3:58:38 GMT -5

new	Unravel a Mysterious Outcrop of Rock with a Geologist.

272

by 1dave
May 21, 2023 17:12:49 GMT -5

new	2022 - Behind Tonga's Massive Eruption

186

by 1dave
May 21, 2023 13:22:08 GMT -5

new	Bingham Canyon, Utah

202

by orrum
May 19, 2023 5:51:49 GMT -5

new	Go West Young Continent!

316

by 1dave
May 11, 2023 12:45:21 GMT -5

new	Demonstrating P and S Waves.

272

by 1dave
May 2, 2023 13:26:41 GMT -5

new	Arkansas Rocks

231

by 1dave
Apr 25, 2023 12:34:26 GMT -5

new	Remains of an ancient glacier spotted on Mars

hummingbirdstones

267

by jasoninsd
Mar 17, 2023 11:08:11 GMT -5

new	Upper Triassic Time- Chinle

189

by 1dave
Mar 11, 2023 1:23:54 GMT -5

new	Silver Reef, Southwest Utah

2,309

by 1dave
Mar 10, 2023 13:54:41 GMT -5

new	Virginia Geology

142

by 1dave
Mar 10, 2023 10:42:13 GMT -5

new	The Shinarump Conglomerate

196

by 1dave
Mar 3, 2023 12:09:43 GMT -5

new	Oblivious Scientists

304

by 1dave
Feb 28, 2023 13:37:56 GMT -5

new	What to do about Yellowstone?

464

by Rockoonz
Feb 11, 2023 13:20:27 GMT -5

new	A Mystery in the Gulf of Mexico

389

by jamesp
Feb 2, 2023 12:51:42 GMT -5

new	The BZ Reaction

221

by mohs
Jan 30, 2023 13:23:13 GMT -5

new	The Beach - A River of Sand

857

by jamesp
Jan 29, 2023 9:34:19 GMT -5

new	The Agates of Scotland

284

by 1dave
Jan 11, 2023 8:57:50 GMT -5

new	COPPER—THE ANCIENT METAL

369

by 1dave
Jan 6, 2023 10:03:25 GMT -5

new	Introduction to Geology Videos

304

by mohs
Dec 17, 2022 13:19:02 GMT -5

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Members with real questions or comments that need an actual response, please post on the main forum - not here!
Casual PG-13 posts only, no politics or religion please!

RickB: How much grass does a cow need to produce a gallon of milk?

Apr 27, 2024 11:07:39 GMT -5 *

parfive: For extra credit, convert your answer into Colorado River acre-feet per Wahhabi bovine unit. Apr 27, 2024 14:50:48 GMT -5

amygdule: Divided by Bales of Alfalfa Apr 27, 2024 20:02:37 GMT -5

ThomasT: A bunch... Apr 27, 2024 20:13:16 GMT -5

RickB:

Al Falfa Apr 28, 2024 9:39:44 GMT -5 *

RickB: Fight the urge to stack rocks to make your mark in the wild.

Apr 29, 2024 6:04:38 GMT -5 *

Apr 29, 2024 8:57:45 GMT -5

Wooferhound: I stacked all my best rocks way back when I was a younger stacker and the urge was the strongest Apr 30, 2024 9:34:16 GMT -5 *

RickB: A rockpile disfunction Apr 30, 2024 9:40:47 GMT -5 *

amygdule: eLogtile lasted for several weeks....

Apr 30, 2024 13:48:42 GMT -5 *

amygdule: Until the waves came back

Apr 30, 2024 14:11:21 GMT -5

RickB: A little blue stone will keep them from falling over

Apr 30, 2024 15:59:04 GMT -5 *

Apr 30, 2024 21:20:59 GMT -5

RickB: thatsalotofbluestones Apr 30, 2024 21:27:43 GMT -5

Son Of Beach: Jeebus Apr 30, 2024 21:29:33 GMT -5

oregon: No wonder I can't find any black/blue agates on the beach Apr 30, 2024 22:31:39 GMT -5

May 1, 2024 9:23:42 GMT -5

RickB: Escargot May 1, 2024 19:00:45 GMT -5

Wooferhound: It's the Post Office at work May 2, 2024 8:37:07 GMT -5

May 2, 2024 13:05:04 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!