| | Report (issue) | strata and elevated to systemic rank and applied in China and above the Purcell series. They belong in the...although not abundant, is present in most samples. Illite is almost as widespread. Mica is widespread, although...quartzite, within 100 ft of top of formation. Near Ida mine Spokane varicolored oolitic limestone. Gradational...has been subjected U 2,400-foot level of Frisco mine. Do. Surface at portal of Rock Creek adit. Glidden...measured section. Placer Creek road. Gold Hunter mine. East Fork Willow Creek-Reindeer Queen structure | | | Report (issue) | Mountatn ~Pass) cs. sim ssicwiy tat.0e 276 Nevada City-Grass Valley ..... 279 New Almad@n 6.6sravs.cisis...Boulder County Tungsten ...... eeoeeesee 296 Central City-Idaho Springs ... eocveeeee 299 GUSTERL SESS AGe...(General) CONTENTS Mascot-Jefferson BWUCGUWAEEEE City sass sence ... ccs 08 pra eee ee eee ee ee...between galena sphalerite, Darwin Lead-Silver-Zinc mine, Inyo County, California, Econ. Geol., v. 66, p..., Bingham 1971, mining U. xiii S. study mine, of the '"'B" limestone Bingham mining The age |
|