difalcojr's latest activity

We use Type 1a supernovae to estimate distances because how bright they are is well correlated with various other characteristics like...

any gold in those sands? or buried pirate treasure? :) Here's some photos of the high-grade ore samples taken out of the Pine Creek...

last for me of Pine Creek canyon, looking SW, at right in photo. Huge Mt. Tom at canyon's entrance, 13,658', base down in Round Valley...

Early horses were significantly smaller than modern horses, reaching a shoulder height of about 30 to 35 cm. They were roughly the size...

I've probably posted this one before but he does somewhat the same. Marcin does it on western strings though. He must have some hardcore...

Not far from where I live. I even remember the controversy some decades ago, when paleontologists had to fight hard to preserve it...

How little is little? Wish there was a (required) ruler underneath to give this. Never saw oil shale before or in an open pit...

Devils Postpile, about 20 miles north of the Pine Creek Mine as the crow flies. At location of head waters of the San Joaquin River...

Big Bend has a wide variety.

Yes ^^ Amazing geography along CA .Hwy 395. Eastern Sierras

Pine Creek Mine, outside of Bishop, California, in the Sierra Nevada Mountains, elev. 8100 feet at main mine entrance, which is at the...

A friend had this cartoon on a gag-a-day calendar or something like that: I cracked up when I saw it, and then had to explain the joke...

Regarding the K-Pg boundary mentioned in post #1, I had first heard it described as the K-T boundary, apparently its former name. It is...

Morro Bay This is the core of a volcano and an easy climb to top.

Columnar basalt. This is the Giant's Causeway in Ireland, and is not a photo I took. I did take photos of columnar basalt in Iceland...