1881. ] ; Recent Literature. 381 
nagyagite. The present writer remembers having seen a very 
beautiful specimen of calcite veinstone well filled with sheet 
gold, said to have come from North Carolina. The occurrence ot 
specimen supposed the veinstone was quartz, such associations 
may not be as rare as they are now regarded. We hope that 
Professor Kerr will endeavor to ascertain if such veins are to be 
found in the State. 
Galenite, sometimes argentiferous, exists in considerable quan- 
tity. Chalcopyrite is very abundant and is the only copper ore oc- 
curring in sufficient quantity to be relied upon in mining. Some 
of the copper mines, as for instance the Ore Knob, in Ashe 
county, are quite well known throughout the country. 
_ Corundum, in association with the peridotite of North Carolina, 
is quite abundant. It occurs massive in beds from 10 to 14 feet 
thick, associated with prochlorite, also in hexagonal pyramids, 
varying from colorless to yellow, deep red, and rarely green shades. 
It as been mined to some extent, and since, for certain purposes 
in the arts, the crushed corundum is more valuable than the im- 
ported emery, itis to be hoped that the industry will flourish. 
Hematite and magnetite are abundant and valuable, while 
chromite is quite common in connection with the peridotite. 
Sive) granite dikes in gneisses and mica schists. We would sug- 
gest that the term die be used instead of vein when speaking of 
such intrusive forms. We are aware that Professor Dana sanctions 
