Figure 6.
Hf/3-Th-Ta ternary diagram (after Wood, 1980) for tectonic setting of Late Proterozoic metadiabase dikes, extrusive metabasalt, and Jurassic diabase dikes. Numbers refer to
table 1
.
U.S. Geological Survey
,
U.S. Department of the Interior
This page is https://pubs.usgs.gov/bulletin/b2123/figure6.html
Contact:
Scott Southworth
Last modified 08.29.00
