This is an archive of CompuServe forum messages from 1985 to 1995, as saved in transcripts by John Foust.
Search Results (6 messages)
Don: Thanks for the reply! I think I now have a handle on the type of rock that I have encountered.It must be what Elizabeth called limeysandstone. I can tell you it looks brittle but, It absorbs energy like crazy! We have increased our dynamite ratio to twice what we…
Elizabeth: You might be interested to know that this formation is located in Daleville,Va 137 feet from the top of a hill that is the eastern drainage divide. Thanks again for your help. Steve Rossi; Blue Ridge, Va.
John: I am convinced that It is a limey sandstone! It was difficult to tell because it looked (same color blue/grey and marbled like the limestone that we were going through for 5 miles.The only change was we could no longer break it and it had fine grains 1 to…
Elizabeth:Thanks for your help. I suspected a limey sandstone but,was not sure! Your answer convinced me! I did the acid test it fizzes! The color did not change from the original limestone. It was the same varved blue grey rock that we have been dealing with for months.The only change…
Doug: Thanks for the advice!However the answer that I received from Elizabeth was exactly what I needed! I did not know what It was but, I was suspicious that we were looking at a limey sandstone. Thanks again for the Help. Steve
#Help!!! Any Geologist
Message #164389
I am constructing a pipeline project in central Virginia in solid limestone so far with excellent results. I am rendering the rock with 4 pounds of dynamite per cubic yard for the last 3 days we haven't advanced at all the rock has changed and no amount of explosives seems…