oes

more nearly straight course and linked up with the old channel
described above. In other places in this section there may be
old Cremer. Possibly some of the present Lorne drainesec
originally went to Porcupine creek. Porcupine creek for much of
its distance appears to be in a post-Glacial channel. Lode gold
deposits are known in the area of the headwaters of the tribu-
taries of Lorne, so most probably higher sections of the old
channels carried gold to the same extent as the lower channels.
Gold in the vicinity of the south fork may have come from the
washing of thick deposits of drift here, and this material most

likely came out of the south fork.
Other Mineral Resources

At Lakelse lake there are hot springs. Clay deposits at
Terrace have been found suitable for making brick. Crystalline
limestone and marble 1,000 feet thick occur on Thornhill mountain.
The albite-rich granite and granodiorite rocks are not of good
quality for building purposes because of their great variability
and because they are considerably sheared and faulted in most
places. The best materials of this type occur just east of
Terrace, the younger andesine granodiorite probably is more
satisfactory. It may outcrop along the railway between Pitman
and the first creek from Dorreen mountain. The green volcanic
rocks are in the main not suitable for building stone as they
are highly metamorphosed, but in places to the east suitable

stone may occur in the sedimentary series.

References

Dawson, G.M.: Port Simpson on the Pacific Coast to Edmonton;
Ann. Rept. 1879-80, p. 13. :

McConnell, R.G.: Geological Section along the Grand Trunk Pacific

Railway from Prince Rupert to Aldermere, B.C.;
Sum. Rept. 1912, p.55.