Cotterell, Tracey, authorRidley, John, advisorSingleton, John, committee memberBlackburn, Heather, committee member2022-08-292022-08-292022https://hdl.handle.net/10217/235629To view the abstract, please see the full text of the document.born digitalmasters thesesengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.karstpeperiteYogolamprophyreCentral Montana Alkalic ProvincesapphiresText