Wendlandt, Richard F.Penn, Brian Stanton2023-07-112023-07-111994https://hdl.handle.net/11124/177224Includes bibliographical references (pages 152-165).doctoral dissertationsengCopyright of the original work is retained by the author.Intrusions (Geology) -- Colorado -- Spanish Peaks regionIntrusions (Geology) -- Colorado -- Huerfano CountyIntrusions (Geology) -- Colorado -- Las Animas CountyPetrogenesis -- Colorado -- Spanish Peaks regionPetrogenesis -- Colorado -- Huerfano CountyPetrogenesis -- Colorado -- Las Animas CountyGeochemistry -- ColoradoInvestigation of the temporal and geochemical characteristics, and the petrogenetic origins of the Spanish Peaks intrusive rocks of south-central Colorado, AnText