Go to  Advanced Search

Please note that cIRcle is currently being upgraded to DSpace v5.1. The upgrade means that the cIRcle service will not be accepting new submissions from 5:00 PM on September 1/15 until 5:00 PM on September 4/15. All cIRcle material will still be accessible during this period. Apologies for any inconvenience.

The geology of Hawkesbury Island, Skeena mining division, British Columbia

Show full item record

Files in this item

Files Size Format Description   View
UBC_1959_A6_7 M6 G3.pdf 17.39Mb Adobe Portable Document Format   View/Open
Title: The geology of Hawkesbury Island, Skeena mining division, British Columbia
Author: Money, Peter Lawrence
Degree: Master of Science - MSc
Program: Geological Sciences
Copyright Date: 1959
Subject Keywords Geology -- British Columbia
Issue Date: 2012-01-12
Publisher University of British Columbia
Series/Report no. UBC Retrospective Theses Digitization Project [http://www.library.ubc.ca/archives/retro_theses/]
Abstract: Hawkesbury Island is in the Skeena Mining Division of British Columbia. It is underlain by Coast Intrusions, younger lamprophyre dykes and older metamorphic rocks. The latter form part of the Ecstall septum or roof pendant. The metamorphic rocks are mainly amphibolites and quartz-feldspar gneisses. A few bands of quartzite, crystalline limestone, kyanite-staurolite-almandine mica schist and other rock types are present. These rocks have been formed by dynamothermal metamorphism of the regional type. They generally have assemblages indicative of the staurolite-quartz and kyanite-muscovite-quartz subfacies of the almandine amphibolite facies. Shear zones are strongly sericitized. Small percentages of sericite and chlorite are common throughout the metamorphic rocks. These minerals have been formed during retrogressive metamorphism. Apart from a few small metamorphosed igneous bodies, these rocks were originally a thick eugeosynclinal sequence consisting mainly of tuffaceous sediments and semi-pelitic or arkosic sediments. The metamorphic rocks have probably undergone at least two periods of deformation, so that their structure is complex. However, the foliation has a general trend of north 50° west to north 70° west in the northern part of the septum and of north 20° east to north 55° east in the southern part. The Coast Intrusions have reached their present positions by The Coast Intrusions have reached their present positions by intrusion. They have not been formed by granitization in situ. Some assimilation of the country rock has occurred but this is a marginal feature. The Coast Intrusions have had little affect on the grade of metamorphism of the metamorphic rocks.
Affiliation: Science, Faculty of
URI: http://hdl.handle.net/2429/40047
Scholarly Level: Graduate

This item appears in the following Collection(s)

Show full item record

UBC Library
1961 East Mall
Vancouver, B.C.
Canada V6T 1Z1
Tel: 604-822-6375
Fax: 604-822-3893