New Oxford Formation (MDTRno;2)

New Oxford Formation - Red, maroon, and gray sandstone, siltstone, and shale; basal conglomerate member: From vicinity of Maryland Rte. 73 and southward, limestone conglomerate with red and gray calcareous matrix; northward, quartz conglomerate with red sandy matrix; estimated total thickness 4,500 feet.

State	Maryland
Name	New Oxford Formation
Geologic age	Triassic
Original map label	Trno
Primary rock type	shale
Secondary rock type	sandstone
Other rock types	siltstone; conglomerate
Lithologic constituents	Major Sedimentary > Clastic > Mudstone > Shale Sedimentary > Clastic > Sandstone Minor Sedimentary > Clastic > Siltstone Incidental Sedimentary > Clastic > Conglomeratebasal conglomerate is limestone conglomerate to south of Maryland Rte. 73 and quartz conglomerate to north of Maryland Rte. 73
Map references	Cleaves, E.T., Edwards, J., Jr., Glaser, J.D., 1968, Geologic Map of Maryland: Maryland Geological Survey, Baltimore, Maryland, scale 1:250,000.
Unit references	Cleaves, E.T., Edwards, J., Jr., Glaser, J.D., 1968, Geologic Map of Maryland: Maryland Geological Survey, Baltimore, Maryland, scale 1:250,000. Unpublished digital version of the Maryland state geologic map that was digitized by the USGS Water Resources Office in Towson, MD
Geographic coverage	Carroll - Frederick - Montgomery