Transect Trip 18: Judy Gap

Fault-duplicated double section of the (Silurian aged) erosion-resistant Tuscarora Sandstone:

Transect Trip 17: hackle fringe

Sweet hackles on the right; pen for scale.

Transect Trip 16: double plume

Radiating out from the greatest sense of scale EVER!

Transect Trip 15: penultimate plume

Nice one! … In spite of the highway department graffiti… Swiss Army Knife for scale!

Transect Trip 14: ripple marks

Where are some ripple marks in the Hampshire Formation. Cell phone service is a lot more localized here in West Virginia, so we’ll see how many posts I manage today…

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?

Transect Trip 13: a better plume!

Okay… That last plumose structure was nothing compared to this beauty…

Transect Trip 12: plume du jour

Spectacular plumose structure on rusty joint surface Weverton Formation:

Transect Trip 11: bedding/cleavage

Bedding and cleavage intersect in the Weverton Fm.

Bedding = Cambrian

Cleavage = late Paleozoic (Alleghanian)

Transect Trip 10: en echelon tension gashes

Gorgeous back-rotated quartz-filled tension gashes in the Antietam Fm. Sinistral sense of shear:

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