/r/geology

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Monthly Rock & Mineral Identification Requests

5 upvotes • AutoModerator

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Need help identifying the rock

4 upvotes • Vlada42069

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Can someone provide some information about a river delta in Iceland "expanding 5km after a volcanic eruption"?

4 upvotes • Reasonable-Cookie-44

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Supercontinents: does Ted Nield’s book still hold up?

4 upvotes • samosamancer

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Carborundum!

4 upvotes • JIMSTJOHN

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Cross Hill, scoria cone, Ascension Island. [OC]

3 upvotes • whathojollygood

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What type of rock/cliff is this? And is that an old entrance?

3 upvotes • parkavenueWHORE

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Stop Deep Sea Mining (Greenpeace, 2023). Which promising projects do we currently have?

3 upvotes • MartianAndroidMiner

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Can sunken natural islands be rebuild artificialy?

3 upvotes • GeographyMaping

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Question

3 upvotes • AsianCouple1043

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Monthly Rock & Mineral Identification Requests	5	AutoModerator
Need help identifying the rock	4	Vlada42069
Can someone provide some information about a river delta in Iceland "expanding 5km after a volcanic eruption"?	4	Reasonable-Cookie-44
Supercontinents: does Ted Nield’s book still hold up?	4	samosamancer
Carborundum!	4	JIMSTJOHN
Cross Hill, scoria cone, Ascension Island. [OC]	3	whathojollygood
What type of rock/cliff is this? And is that an old entrance?	3	parkavenueWHORE
Stop Deep Sea Mining (Greenpeace, 2023). Which promising projects do we currently have?	3	MartianAndroidMiner
Can sunken natural islands be rebuild artificialy?	3	GeographyMaping
Question	3	AsianCouple1043