TY - RPRT TI - Geophysical data provide three dimensional insights into porphyry copper systems in the Silverton caldera, Colorado, USA AU - Eric D. Anderson AU - Douglas Yager AU - Maria Deszcz-Pan AU - Bennett Eugene Hoogenboom AU - Brian D. Rodriguez AU - Bruce Smith PY - 2023 DO - 10.1016/j.oregeorev.2022.105223 UR - https://pubs.usgs.gov/publication/70238616 ID - 70238616 ER -