You are here:

Geology/Weird rock found


marc wrote at 2011-01-14 16:59:17
found the same lite weight black rock on a rhode island beach broke it open and its very shiny in the middle maybe an oil by product? who knows but what i do know that its not a normal rock its lite as a feather  

Scotty b wrote at 2012-11-19 00:09:30
I found the same light rock in Pa. It has bossily like impressions.  I am still looking for a definitive response.   Any help?

mariep wrote at 2013-02-01 21:57:35
I found the same rock like. light as a feather same look and so forth. I am sure by not being a scientist its prob oil of some sort what bothers me is that I am probably right :( washed up in RI on the beach shore my kids thought I found treasure, I wish it was just that.  

Billy Wood wrote at 2013-06-12 18:11:38
I found a rock kind of like this at Emerald Isle NC this Spring 2013 and I have not been able to get an answer as to what it is...

 photo P1050585.jpg

 photo P1050583.jpg

 photo P1050582.jpg

 photo P1050581.jpg

 photo P1050580.jpg

 photo P1050579.jpg  

ExplorerMike wrote at 2015-08-24 05:02:56
I found the same rock in Trenton Trenton Ontario Canada on the beach. It's black, shiny, it has been smothend by the shore, very light.  

Rocky wrote at 2016-03-07 10:38:04
Is it Pitchstone?


All Answers

Answers by Expert:

Ask Experts


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

©2017 All rights reserved.