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19 



1644 



8.7 



1635 



14 



16:^1 



Maryland Geological Survey 493 



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Green shale and shaly sandstone 3764 



Massive bluish and greenish sandstone 3774 



Green shale and interbedded sandstone 3790 



Green shale and bands of sandstone. Dip 70° W. Carry- 

 ing at the bottom Camarotccchia congregata var. parkliead- 

 ensis abundant, Spirifer (Delthyris) mesac'ostalls, S. 



mucronatus var. posterns ? 3914 109.5 1612 



Green shale breaking irregularly 3928 12.3 1599 



Massive brown sandstone. Dip 77° W. carrying at bottom 

 CamarotnecMa congregata var. with deeper sinus suggest- 

 ing contracta abundant, G. eximia, Coleolus tenuicinctus, 

 Bellerplwn clarki. Cyclonevia concinnum. Cyclonemina mul- 

 tistriata ?, Loxonema ? glabrum common, Ectomaria mary- 

 landica. Pleurotomaria (Oyroma) capillaria common, 

 Liopteria Mgsbyi. This sandstone weathers to a light 



yellow 3935.5 



Fissile green shale 3994.5 



Heavy dark-brown sandstone 3996.5 



Dark shale breaking irregularly 4022.5 



Coarse shale breaking irregularly, carrying at bottom 

 CamarotoecMa congregata var. parkheadensis abundant, 

 Chonetes deflectus, Gonioplwra Jiamiltonensis common, 

 Grammysia elliptica, Palwoneilo brevis, Loxonema hamil- 

 totiiw 4053.5 28.5 1485 



Woodmont Shale Member 



BEDS CONTAINING ITHACA FAUNA 



Green fissile shale. Dip 70° W. Carrying at bottom 

 Atrypa spinosa, Crytina hamiltone^isis common, Liorhyn- 

 chus globiiliforme, Productella speciosa abundant, Pugnax 

 pugnus var. altus common, ScMzophoria striatuJa abundant, 

 Stropheodonta demissa ?, Ectenodesma birostratum, Gonio- 



phora hamiUonensis, Palwoneilo brevis 4162.5 96.3 1388 



Green shale and bands of sandstone 4262.5 88.3 1300 



Axis of small anticline 4662.5 1300 



On east limb of anticline, 40 feet stratigraphically above 

 axis, in a band of shaly sandstone were found Cyrtina 

 Jiamiltonensis abundant, Liorhynchus globuliforme abun- 

 dant, Productella speciosa, Pugnax pugnus var. altus, Schiz- 

 ophoria striatula abundant, very large and fine, Spirifer 

 mucronatus var. posterus abundant, Ectenodesma birostra- 

 tum 4662.5 1340 



Base of section placed 1300 feet above top of Romney. 



6.8 



1597 



5.4 



1539 



1.8 



1537 



23.7 



1513 



