Andrew Alden on Muck Rack

Andrew Alden

Blogger, Oakland Geology

Geology writer, blogger on Oakland Geology, scientific omnivore. On a round Earth, every place is at the center.

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@aboutgeology — 6,253 followers, 12,781 tweets

Sep 19, 2017

Too many people milling around senselessly. Be the one in your office who shouts "Drop! Cover! Hold On!" Then put your phone down and do it.

Sep 19, 2017

All this time I thought clay was sediment. Then I noticed the adjective "authigenic" and realized its role is huge: 

Sep 19, 2017

OK, why are all the usual suspects saying "IPCC climate models proved WRONG" today?

Sep 19, 2017

@rschott It's still a mineral if a natural specimen was described before the species went (locally [on Earth]) extinct.

Sep 19, 2017

Perhaps the author had his own topo map (not unheard-of), in which case a comparison would be fascinating. 

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