Hydraulic Fracking

"Hydraulic Fracking" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.
MeSH information
A drilling technology in which NATURAL GAS is extracted from large deposits of impermeable rock formations known as shale, deep within the earth’s crust. This drilling technique involves injecting large volumes of high-pressure fracturing fluid (a mixture of water, sand, and chemicals) several thousand feet underground, thereby creating cracks or fissures in the shale formation, and releasing trapped gas.


Publications
This graph shows the total number of publications written about "Hydraulic Fracking" by people in this website by year, and whether "Hydraulic Fracking" was a major or minor topic of these publications.
Bar chart showing 50 publications over 6 distinct years, with a maximum of 14 publications in 2018
To see the data from this visualization as text, click here.