 | | Report (issue) | | Related Mineral Deposits of the Barker Quadrangle, Little Belt Mountains, Montana G E 0 L 0 G I CAL SURVEY...Related Mineral Deposits of the Barker Quadrangle, Little Belt Mountains, Montana By IRVING J. WITKIND GEOLOGICAL...PROFESSIONAL PAPER 752 A laccolithic complex in central Montana is examined in detail with special attention given...-----Quartz monzonite of Hughesville _______ _ Barker Porphyry ____________________ _ Chemistry of the...--Asymmetric laccoliths ____________________ _ Barker laccolith ---------------------Mixes Baldy-Anderson |  | | Journal (article/letter/editorial) | | OF THE BLOCK P MONTANA. SPIROFF. ABSTRACT. Block P Mine, Hughesville, Montana, is located in a syenite...Mountains, sixty miles southeastof Great Falls, Montana (Fig. I). It is composedof a group of claimsof...otherminesin the district,and in I929 the Block P Mine wasthe largestleadproducerin Montana. The minehasbeendeveloped...showing location of Block P Mine, Hughesville, Montana. crescent-shaped in plan. The dip of the vein...benchof the old smeltersite just below the town of Barker. Lead and zinc concentrates are produced. The mill |  | | Book (edition) | | who have been engaged in the study of our great mining regions, especially in the West, have laid the...now in the active practice of the profession of mining engi neering. J. F. K. DECEMBER, 1899. NO TEXT...INTRODUCTORY REMARKS ON IRON ORES. β LIMONITE. β SIDERITE. General literature, 83, 84; table of analyses...of same, 104, 105; analyses of limonites. 106; siderite or spathic ore, introductory. 106; Example 3,...5, Roxbury, Conn., 112; genetic discussion of siderite, 112, 113 83-118 CHAPTER II. β THE IRON SERIES |  | | Report (volume) | | composite image of the northern part of the Paradox Basin and the La Sal Mountain laccolith complex. See page...Thematic Mapper Image of Northern Part of the Paradox Basin and the La Sal Mountains Laccolith Complex, by K...Anomalies, and Lineaments in the Northern Paradox Basin, Utah and Colorado, by Jules D. Friedman Processes...and Crustal Extension in the Southeastern Paradox Basin, Colorado, by Marilyn A. Grout and Earl R. Verbeek...the Regional Joint Network of the Central Paradox Basin, Utah and Colorado, by Marilyn A. Grout and Earl |  | | Report (volume) | | Bull. 1060-D, p. 193, 252-253, pl. 7. In Nemaha County, Kans., member is basal unit of Howard limestone...Aarde farm, sec. 4, T. 26 S., R. 11 E., Greenwood County. Aaron Slatet Precambrian or Paleozoic: Central...Central Railroad, sees. 5-7, T. 11 S., R. 5 E., Pope County. Named for Abbott Station. Abbyville Gabbrol Precambrian...map. Occurs in vicinity of Abbyville, Mecklenburg County. Abercrombie Formationl Middle Cambrian: Western...revision of stratigraphic units pertaining to Great Basin shows Abercrombie formation below Young Peak dolomite |
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