Text Appearing Before Image:
' Text Appearing After Image: Pomi(>iiir Hivcr mar nioutli. At riiihl is island wiiosc to stream, lake and ;;oldfield. ■liapi lias iii\-(Mi iianic Some Porcupine Gold Quartz Deposits—Hore 173 From this statement it ^^ill be evident that the geologicalfeatures of the Porcupine area have much in common with themajority of other pre-Cambrian areas in Ontario and the LakeSuperior States. Of nearby districts, the Larder Lake presentsmore analoguos features than does the vicinity of Cobalt. Recently* the present writer has described some of the oredeposits in Tisdale towTiship, and proposes here to present someobservations on the general geology, and the microscopic charac-ters of some of the ores and their wall rocks. The specimensexamined microscopically are mostly from the Dome, Hollingerand Rea Mines. General Geology. The gold deposits at Porcupine are in what are beheved tobe pre-Cambrian rocks. The rocks in many respects resemblethose at Lake Temagami and Larder Lake in Xipissingdistrict, which have been mo
Note About Images
Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.
The categories of this image need checking. You can do sohere.
Please remove redundant categories and try to put this image in the most specific category/categories.
You can remove this template by clicking here (or on the first line).
Licensing
This image was taken from Flickr's The Commons. The uploading organization may have various reasons for determining that no known copyright restrictions exist, such as:
The copyright is in the public domain because it has expired;
The copyright was injected into the public domain for other reasons, such as failure to adhere to required formalities or conditions;
The institution owns the copyright but is not interested in exercising control; or
The institution has legal rights sufficient to authorize others to use the work without restrictions.
Please add additional copyright tags to this image if more specific information about copyright status can be determined. See Commons:Licensing for more information.
No known copyright restrictionsNo restrictionshttps://www.flickr.com/commons/usage/false