From: Tom Glendinning
Sent: Tue, May 21, 2013 7:17:08 PM
Subject: Re: Fault Line? and NC Geology
In NC geological history, after the metamorphic period, 500 to 200 million years ago, during the Traissic period, there was a fault along a line east of the Triangle at the angle of the sand hills line, called the Goldsboro fault. At one point, the elevation difference was 8000 feet. But that was a while ago. What we call the coastal plain was formed after that fault and shaped into the flatland and beaches we now know.
http://geology.about.com/od/maps/ig/stategeomaps/NCgeomap.htm
This map shows the clearest image of the resulting deposits. Follow the eastern lines of the grey, blue and pink shaded areas to find the original fault (roughly.) It is also the line where gem, coal, gas and oil deposits begin to the west of the fault. To the east is all sedimentary soils.
Other faults exist.
For a history of NC earthquakes, see the USGS site below. The earliest recorded earthquake was in 1735 near Bath, with over one hundred mentioned afterward. Doubtful they were was caused by “fracking”.
http://earthquake.usgs.gov/earthquakes/states/north_carolina/history.php
Tom Glendinning
“It takes an intelligent fool to make things bigger and more complex………. It takes a touch of genius to move in the opposite direction”
You miss 100% of the shots you don’t take.–Wayne Gretzky