Fine-grained silica sand

Fine-grained silica sand is mixed with chemicals and water before being pumped into rock formations to prevent the newly created artificial fractures from closing after hydraulic fracturing is completed.

Image 61216 is a 273 by 416 pixel JPEG
Uploaded: Jul24 15

Last Modified: 2015-07-24 10:48:20
Permanent URL:

The file is referred to in 2 pages
[Photo by Bill Cunningham, USGS, public domain]
This item is in the public domain
and maybe reused freely without restriction.