Geology, alteration, and mineralization of the Turquoise Lake area, Lake County, Colorado, The
The Turquoise Lake intrusive complex is located on the northeast flank of the Sawatch Range in Lake County, Colorado. The complex is centered on a 35 million year old subvolcanic stock of quartz latite porphyry. The intrusive rocks associated with the explosive emplacement of the stock includes an intensely brecciated border phase surrounding the porphyritic stock center, and dikes of similar composition. Other Oligocene intrusives include early dikes of latite and lake dikes o f rhyolite. North-trending structures reflecting the axis of the Sawatch Range are common throughout the Turquoise Lake ...
(For more, see "View full record.")