Live geoblogging: assessment
What do you think, folks? Do you like seeing field photos as I take them? Should I continue the Transect Trip instant photoblog series tomorrow as we traverse the Valley & Ridge?
blue ridge
Transect Trip 11: bedding/cleavage
Bedding and cleavage intersect in the Weverton Fm. Bedding = Cambrian Cleavage = late Paleozoic (Alleghanian)
Update
Just got back from three days of geology conferencing at the Northeastern & Southeastern Joint Section Meeting of the Geological Society of America in Baltimore. No time to blog whilst there, though I shot a dozen or so tweets up to my Twitter feed: small beer compared to a nice meaty blog post. Apologies if … Read more
Is this dike a feeder?
A new paper in the journal Geology examines an interesting question: how can you tell feeder dikes from non-feeder dikes? The answer is, normally you can’t. Normally, there’s no way to tell for sure whether a given dike actually funneled magma to the paleo-surface, or whether it never reached the paleo-surface. The reason for this … Read more