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Geology/Strange rock i.d. help please


Brusion wrote at 2015-06-17 19:43:45
The is most certainly not "dried up crude oil".

I have seen this type of rock on many beaches, including freshwater beaches.  I have been trying to find out what they are as well.  I don't beleive it is a tektite or volcanic in nature.  It could be sand eroded anthracite or sand eroded obsidian.


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Fraser Hamilton


I have over 15 years of professional experience in the environmental geology field. I am well versed in general geology types of questions and answers. In addition I have a keen understanding of physical stratigraphy (especially in the Valley and Ridge of Central PA) and cycles.


Eight years of education, fifteen years of professional experience. Have worked or studied in ME, PA, TX, KY, IN, TN, OH, WA and Scotland.

Geological Society of America
American Association of Petroleum Geologists
Properties Magazine
Cleveland Bar Association
Cleveland Engineering Society

BA Geology/Math, University of Maine at Farmington
MA Geology - Physical Stratigraphy, Temple University
Post Grad Studies Geology - Texas A&M University

Awards and Honors
Distinguished graduate teaching award, Temple University

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