Playing with words here doesn't diminish  how huge this find is. A common theme on SH seems to be that its easier to discredit than compete especially if those discrediting are invested with a competitor.

The term vein type doesn't refer to being similar to... as another poster suggested google it for yourself  and see that it is common terminolgy  ... here's only a few examples

"The unique vein-type graphite deposits of Ceylon occur in high-grade metamorphic terrain of Early Precambrian metasedimentary series. At the Bogala graphite mine, the rocks are of the granulite and almandine amphibolite metamorphic facies."

Source :     http://link.springer.com/article/10.1007%2FBF00206734?LI=true

another

http://canmin.geoscienceworld.org/content/35/6/1379.extract                GLTA