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Geology Rocks - nhfree.com

c/geology-rocks

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c/geology-rocks•

ericnguyen•5mo ago

Hand lens vs phone camera for identifying small grains in sandstone

22

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wesley_thompson•5mo ago

Spent 10 years using a rock hammer wrong until a field trip to the Grand Canyon

23

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joseph_roberts•5mo ago

I used to laugh at the idea of rocks singing, but a trip to Sedona proved me wrong

18

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williams90•5mo ago

Picked up a chunk of basalt near Mt. Hood last spring that had a weird green streak

7

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gibson.mark•5mo ago

Warning: people keep calling this common rock 'slag' when it's not

8

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charlesb89•5mo ago

Hot take: a park ranger in Moab showed me how to spot a real fossil from a weird rock

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skyler_adams•6mo ago

I finally started carrying a small notebook for rock hunting

25

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taylor.paige•6mo ago

Remembering the 2004 Parkfield earthquake drill and how it changed our field protocols.

18

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barbaraw16•6mo ago

Bought a $300 rock saw for my home collection and it was a huge mistake

1

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charles678•6mo ago

A guy at the Tucson Gem Show said 'that's not quartz, it's calcite' and handed me a bottle of vinegar

9

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verafoster•6mo ago

Serious question, a park ranger in Yosemite told me granite isn't always gray

18

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kelly.jenny•6mo ago

Unpopular opinion: My cousin said all rocks are basically the same at a family picnic in Sedona.

6

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rileyl98•6mo ago

I used to think all gravel was basically the same for a driveway base

11

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emery879•6mo ago

TIL my vinegar test on a 'gold' nugget from the creek gave me a surprise

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casey393•6mo ago

I was sure the 'petrified wood' at the local rock shop was just dyed concrete

Geology Rocks

c/geology-rocks

A community for discussing geology rocks

Feb 26, 2026Public

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