 | | Journal (volume) | | Description of areas Age of the complex Metasediments with iron ore TRIASSIC OR LATE PALEOZOIC ROCKS McCoy Mountains...LATER TERTIARY ROCKS Sedimentary formations Olivine basalt QUARTERNARY DEPOSITS STRUCTURAL FEATURES 69 70...injected lit-par-lit by pegmatitic granite. Hematite-bearing metasediments of probable Paleozoic age occur a...Camp. They mark the eastern end of the extensive "iron district" of the Eagle Mountains. The McCoy Mountains...sedimentary formations, particularly the water-bearing formations, and discussed the origin of the Salton |  | | Journal (issue) | | and the island of Disko, is built up of plateau basalt, several km thick, with inclosed sediments and...tho basalt formation contains first and foremost zeolites, and then quartz, chalcedony, calcite and aragonite...the pectolite from Nu g s su a q and the native iron from U i v fa q and other localities. The third...spodiophyllite. 26. Fe. 27. Co. Iron, cohenite, pyrrhotite, erythrine. 28. Ni. Iron, cohenite, pentlandite, pyrrhotite...bravoite, zaratite, annabergite. 29. Cu. Copper, iron, chalcocite, bornite, chalcopyrite, pyrrhotite, |  | Theodore, Ted G., Blair, Will N., Nash, J. Thomas, McKee, E.H., Antweiler, J.C., Campbell, W.L. (1987) Geology and gold mineralization of the Gold Basin-Lost Basin mining districts, Mohave County, Arizona, with a section on K-Ar chronology of mineralization and igneous activity, and a section on implications of the compositions of lode and placer gold. Professional Paper 1361. US Geological Survey doi:10.3133/pp1361 | Report (issue) | | gneiss- - - - Kyanite-bearing gneiss ----------------Sillimanite- and cordierite-bearing gneiss and schist...bolite -----------------------Metachert, banded iron formation, and metarhyolite - - - Marble, calc-silicate...a quartz-fluorite-white mica vein and in gold-bearing episyenitic pipes ----------Estimates of the pressure-temperature...----------------11. Textural relations among minerals in garnet-bearing gneiss ---------------------12. Textural relations...----------22. Photomicrograph of oxide facies, banded iron formation ----------------------------23. Schematic |  | | Journal (volume) | | mineral deposits, including carbonates and banded iron formations, were precipitated under the influences...Sciences, Macquarie University, Sydney, NSW, Australia (*bill.griffin@mq.edu.au) Recent developments...Relatively primitive olivine and plagioclase bearing basalt was produced from ca. 500 m long fissure. After...lava-forming activity was observed March 12. The basalt composition has a restricted whole-rock compositional...result from a binary mixing between fractionated basalt (similar in composition to those of Katla volcano) |  | | Report (volume) | | geologic investigations indicate that the tight gas-bearing reservoirs in these areas have experienced similar...conclusively demonstrate the occurrence of a thick gas-bearing interval below a depth of about 8,000 ft (2,438...Mesaverde Group because: 1. Low-permeability, gas-bearing reservoirs in Upper Cretaceous fluvial sandstone...the synclinal axis of the Piceance basin. Gas-bearing reservoirs occur in marine and nonmarine clastic...placed at the base of predominantly sandstone bearing rocks. The Rock Springs Formation is about 4,800 |  | | Report (issue) | | overgrowths, and the carbonate cement comprises calcite, ferroan calcite, ferroan dolomite, and ankerite. The mineralogical...sandstones are wellsorted, locally calcareous or calcite-cemented quartz- The siltstones are dark gray...are bounded by micritic calcite and cemented by sparry calcite, ferroan calcite, dolomite, and ankerite...Cambrian-Early Devonian EXPLANATION I Rhyolite, basalt, hypa byssal sills, tuffs, and sedimentary rocks... Authigenic carbonate cements include calcite, ferroan calcite, ferroan dolomite, and ankerite and may |  | | Report (issue) | | Rhodochrosite ……………………………………………………………………. 16 Manganiferous calcite …………………………………………. ........................ 17 Manganiferous................................. 20 Manganiferous iron ores............................................................................ 32 Manganiferous iron and manganiferous silver deposits.................is a white or grayish-white metal resembling cast iron in appearance but having a slightly reddish luster...gravity, about 7.4, is nearly the same as that of iron. It has a marked affinity for oxygen and is never |  | | Report (volume) | | _____________________________________________ Gold-bearing lodes._______________________________________ ...mill..._____________ 76 9. Quartz and lamellar calcite ore, Jay Gould mine.-._________ 76 10. Plan and...... 84 11. 12. 13. 14. Quartz and lamellar calcite, Jay Gould mine_______________ 84 Geologic map...vicinity._-____________ 44. A, Structure of gold-bearing rhyolite, Pauper's Dream mine; B, Bonanza mine...Kleinschmidt mine.______________________ Claim map, Iron Age camp_______________________________ Plan of |  | | Report (issue) | | Pebble dikes ----------------------------------Basalt-------------------------------------------121 121...pale-blue turquoise from the Copper Basin area cutting iron oxide-filled fractures that replace pyrite in sample...content------------------------------------------------Total iron as FeO compared with Na 20 and MnO contents in pyroxenes...fields for calc-silicates associated with copper and iron mineralization in calcic skarns, and overlap compositions...fluids. High in the system, very sparse halite-bearing fluid inclusions probably formed largely through |  | | Journal (issue) | | ... Vladimir Jindrich Ferroan and Non-Ferroan Calcite Cements in Pleistocene-Recent Carbonates from the..... Vfadiniir Jindrich Ferroan and Non-Ferroan Calcite Cements in Pleistocene-Recent Carbonates from the...Precipitational Environment and Correlation of some Calcite Cements Deduced from Artificial Staining ........Limestones of the Bonaparte Gulf Basin, Northwest Australia. By J. J . Veevers Linear "Lower Continental Rise...11inerals. By W . A. Pryor and N. C .Hester Iron-Bearing Heavy Minerals in the Sespe Formation (California) |  | | Book | | . . . . 16.4 Characteristics of the Main Gas-Bearing Strata in the Shenmu Gas Field . . . . . . . ....Attribution Prediction of the Sandbody Thickness and Gas-Bearing Prediction Technique . . . . . . . . . . . . ....intersection of four sectors: Europe and Asia, India–Australia, the Pacific, and the Philippines. The subduction...Triassic is a stabilization carbonate platform. Basalt and basic dyke groups were extensively developed...Craton su Ma k oc Bl Indian Ocean Djakarta Australia Craton Main suture Modern Benioff zone Craton |
|
Basalt quarry, Jindivick, Baw Baw Shire, Victoria, Australia