Neoproterozoic sedimentary sequences are widespread in the Jiangnan Orogen, with a regional angular unconformity separating the Sibao and Danzhou groups. U-Pb geochronology and Lu-Hf isotope analyses ...

Happy Friday! Image: Beach cliff exposures, Pt. Reyes/ Brian Romans on Flickr * I suppose one could call this a disconformity, which is a type of unconformity, in this location.

Friday Field Photo #133: Angular Unconformity in the Spanish Pyrenees This week’s Friday Field Photo is another one from a recent trip to the Spanish Pyrenees. What do you see?