Catoctin/Fauquier contact

Catoctin/Fauquier contact
Power washing a quarry block near Aldie, VA that preserves a soft sediment contact of the Fauquier Formation cap carbonate and pillow basalt of the Catoctin Formation.

Thursday, February 25, 2021

Pressure-temperature estimates for amphibolite melange block

Pressure-temperature diagram for sample A15-21A showing the zirconium-in-rutile isopleth in red and the quartz-in-garnet isomeke in blue. From Harvey et al. (2020).

 

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