64 A List of Minerals and Organtc Remains. 
Chalcedony.—Near Gravel Point, (Lake Superior,) in 
clay porphyry, in veins. At Points Gargantua and Mar- 
moaze, and in the district of the ee in that lake, 
as ioe coatings to druses in amy. 
oi 
Carnelian.—District of Gaspé, four fide and fifty 
miles below Quebec, in rolled masses, white, red, yellow, 
brown; color uniform or in clouds ; transparency and lus- — 
tre excellent. In the amygdaloid, and its accompanying 
conglomerate, of Lake Superior. Its usual color is deli- 
cate red. 
Fortification Agate.—Lake Huron, ee in rolled 
masses of amygdaloid. Gaspé, in pebbles on the sea-shore. 
In the porphyry of Lake Superior, and Blentifal, “large and 
fine, in the amygdaloid of cay latter lake. 
Striped Jasper .—North-west of Lake Hoeven, as nodules 
in transition quartz 2 amare n fine, color good, red, 
"ou 
brown, yellow, green, white, black. Onthe north shore 
of Gun-flint Lake, and in the East Lake of the Height of 
Land, between Lake Superior and Hudson’s Bay, both 
about seventy miles from the Grand Portage of Lake Su- 
periers ® pe considerable deposits, in trap, of jasper; in the 
first mentioned place red, with rusty brown spots, and, in 
the East 5 eh marbled in a beautiful manner with green 
and red. 
Common eo present with the striped variety of 
Lake Hur 
Pitohstone .—In Michipicoton Bay of Lake eaperior; I 
found large rolled masses, rendered p orphyritic in parts 
by glassy feldspar. It is jet black. The fixed rock of the 
locality is greenstone; but those of the opposite opie 
shore of the Bay are amygdaloid and sandsto 
Fibrous Prehnite.x—At Peint Marmoaze, in Sakis Supe- 
rior, as small mammillary coatings on druses, and in amor- 
hous masses. Major Delafield found this mineral in the 
ay Plat of this lake. The color is fine, and the other 
characters distinct. 
Radiatal Zeolite—Gargantua. Point Marmoaze, in 
amygdaloid. At the former place, brownish red, and 
esh red, and at the latter, green also. The brown- 
ish red variety is imbedded in the trap, without the inter- 
vention of any other mineral; the other in masses of cale. 
