Barnett Shale, Natural gas field in Fort Worth Basin, Texas
The Barnett Shale is a rock formation extending across a large area spanning multiple counties in Texas, consisting of fine-grained sediments rich in organic matter. These rocks formed hundreds of millions of years ago and now lie at depths where industrial drilling operations are required to access them.
The rock formation originated in ancient seas during the Mississippian period roughly 320 million years ago, when the region was submerged under water. Modern development of the field began in the 1980s as new technologies were developed to extract gas from these deeper rock layers.
The formation received its name from John W. Barnett, a settler in San Saba County who marked his presence by naming a local stream.
Most of the drilling activity around the formation is visible from public roads, particularly in the northern counties around the Fort Worth area. Visitors should keep in mind that this is an active industrial area with no visitor facilities or infrastructure set up for tourists.
The extraction from this formation has led to scientific studies, as recorded earthquakes in the region may be connected to drilling activity. Researchers monitor seismic activity across North Texas to better understand these possible connections.
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