The San Juan volcanic field and Cretaceous depositional systems: Third-day road log from Chama to Cumbres Pass, Los Brazos, and Heron Lake
— Spencer G. Lucas, Andrew B. Heckert, Kate E. Zeigler, Donald E. Owen, Adrian P. Hunt, Brian S. Brister, Larry S. Crumpler, and Justin A. Spielmann
Summary:
The third and fi nal day (actually a half day) of this fi eld conference begins with a visit to part of the mid-Cenozoic San Juan volcanic fi eld at the fi rst stop, which is just south of Cumbres Pass near the New Mexico-Colorado state line. The trip then moves south to examine the Pleistocene Brazos lava fl ow near Tierra Amarilla. It then continues to Heron Lake, to conclude with an examination of Cretaceous depositional systems at the fi nal stop.
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Recommended Citation:
- Lucas, Spencer G.; Heckert, Andrew B.; Zeigler, Kate E.; Owen, Donald E.; Hunt, Adrian P.; Brister, Brian S.; Crumpler, Larry S.; Spielmann, Justin A., 2005, The San Juan volcanic field and Cretaceous depositional systems: Third-day road log from Chama to Cumbres Pass, Los Brazos, and Heron Lake, in: Geology of the Chama Basin, Lucas, Spencer G.; Zeigler, Kate E.; Lueth, Virgil W.; Owen, Donald E., New Mexico Geological Society, Guidebook, 56th Field Conference, pp. 57-68. https://doi.org/10.56577/FFC-56.57