Field Notebook: Maryland, New Jersey, Tennessee, Virginia, West Virginia, Indiana, Ohio, New York, Ontario 1907
Page 43
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
hand, as the largest rocks in the conglomerate are nearest the Cambrian and become smaller forward. The dip in the sandstone and red shale from the car windows look as if 20 degrees backward. My wife and I walked along the B. & O. R. R. for about 2 1/2 miles to see the contact between the Cambrian (Antietam sandstone) and the Shenandoah limestone. While we did not see the contact, yet the fault line is once marked for on one side is the rugged relief of the Antietam sandstone with the higher ground back of it of the Shippens shale, while on the other side is seen the very red soil of the lower ground with its undulating surface. The latter is the ground of the valley and of the Shenandoah limestone. Examined all the surfaces along the line of onward but saw almost nothing of an organic nature. Nothing determinable. Not far from the Antietam sandstone was seen something suggesting crinoid stems and the quarry nearby for sections which may have been small Orthoceras. Still farther