About the Volcanic breccia and tuff, FGDC 714 hatch pattern
Volcanic breccia and tuff lithology symbol, angular fragments among dots. FGDC geologic map lithology pattern 714, for map and section drawings.
Kind: a repeated motif that does not fill the plane.
The download is one AutoCAD .pat file. Downloads are metered; a Hatchy Pro license lifts the limit.