Abstract
Research Article| October 31, 1934 Internal structures in the Boulder batholith FRANK F. GROUT; FRANK F. GROUT Search for other works by this author on: GSW Google Scholar ROBERT BALK ROBERT BALK Search for other works by this author on: GSW Google Scholar GSA Bulletin (1934) 45 (5): 877–896. https://doi.org/10.1130/GSAB-45-877 Article history received: 30 Dec 1933 first online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Tools Icon Tools Get Permissions Search Site Citation FRANK F. GROUT, ROBERT BALK; Internal structures in the Boulder batholith. GSA Bulletin 1934;; 45 (5): 877–896. doi: https://doi.org/10.1130/GSAB-45-877 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract INTRODUCTIONThe great intrusive between Helena and Butte, Montana, generally referred to as the Boulder batholith, has so much interest from an economic point of view that its structure and deeper parts have been several times discussed.1 It seemed to the writers that this interest justified a reconnaissance by the structural methods of Hans Cloos.2 This might not only help to clarify certain aspects of the argument as to the form of the mass, but might have some application to the general theory of ore deposition.Furthermore, the early work of the Cloos school of geologists was done on masses that were emplaced under considerable cover, whereas the Boulder mass has probably some remnants of its roof, and that roof may not have been very thick. It is probably a fair example of a batholith, the emplacement of which was accompanied by little compression of the crust, and the structures . . . This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
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