Geotectonic interpretation of measuremeuts of joint orientations in the Muskoka regio n of the Canadian ShieId
, ,letail(',1 SU,"Py of joint orient.ations Wi!"; lIulIlp in tll{' ~ru~koka J'{·!_(ion of Cellt.ral Ontario (Cana,la). (Tsing- a tediqlW ,1,,"('1'(',1 (·arlier. tlw prinC'i]Jal pr('sent.,lax W'oj{·('toni(' str(...
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Format: | Article |
Language: | English |
Published: |
Istituto Nazionale di Geofisica e Vulcanologia (INGV)
1975-05-01
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Series: | Annals of Geophysics |
Online Access: | http://www.annalsofgeophysics.eu/index.php/annals/article/view/4908 |
Summary: | , ,letail(',1 SU,"Py of joint orient.ations Wi!"; lIulIlp in tll{' ~ru~koka J'{·!_(ion of Cellt.ral Ontario (Cana,la). (Tsing- a tediqlW ,1,,"('1'(',1 (·arlier. tlw prinC'i]Jal pr('sent.,lax W'oj{·('toni(' str('ss tt'aj"l'toriO'.~ In're ('Oll' strndl',1 for tlll' an'a. 'l'hl' followilll!: results wcre ohtain('lI: l) - 'l'hl' 1't'in('Ìpal reg-ionill stre!ses l'llll X· .. ~ illlOl E·". Thi~ ('otT(';;pon,l! to a fradure pattol'll whkh lit.s wilh the !rike of th" pdnripal W'o)!raphie featurl's of th(' rpgioll. illl'il{iinl!: UO striko of nl{' Kt. LawrO'n('I' valle,'. 2) - 'l'hot'o is no cort'elali'lIl hetw"en th" pr('sent·,lay joint ~.vsklll allOl ol,lPr joillts liIlO'II with 1'Ol!:lllatik ot' qnartz in the area., ilJ(lÌl'aling that th" ori"ntation of thp strl'ss liel,1 has ('hang-O'II dnrilll!: I!:l'olol!:ÌI'al hi.~h)Jy. 3) - 'l'llI't'e i~ no eot'J'{'lation ]wtween joilltill)! al1<l litholog-y. RI'CO'llt joint.s are ('T('n visihle ill allndal Illaterial. .J-) - 'l'h('re is a slllall anolllalon.~ area whidl 111llll ho olnl' to ;;Olll(' 10l'al i1'l"·g-ularity. ]t ('annot ho l'xplailH'1I ])j' litholog-y. 'l'hl' ('xiMelll'e of slwh :lllom:lli(·g Il)1I.~t hl' takl'll into arl'ount in n'l!:i"llal Run'(·,vs. |
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ISSN: | 1593-5213 2037-416X |