 | | Journal (article/letter/editorial) |
| pyrite shells and the clay matrix. Modelling of hornfels compositions using Theriak – Domino IP gives...calcareous and pyritized calcareous fossils in hornfels adjacent to a PT 2. Previous work ED thick...Sample information ED A sample of fossiliferous hornfels from between the upper diabase and main Portrush...PT ED kV and 500 μA. CE 5. Texture of the hornfels and metafossils AC 5.1 Outcrop scale texture...In the field, the metafossils are found in the hornfels between the main and upper sills, (Fig. 1 and |
 | | Journal (article/letter/editorial) |
| the Kentucky area, including the leached hornfels outcrops. Inset map shows the location of Kentucky...relative to other major elements, occur as small outcrops scattered along the contact of the porphyritic...of fibrous sillimanite (top) in metagranitoid hornfels, with lenticular quartz and feldspar grain shapes...Coarser-grained patch of leached metagranitoid hornfels, showing predominantly lenticular shapes of quartz...(Table 1); biotite is absent from the most altered hornfels (T3d). The trace elements listed in Table 2 show |
 | | Book |
| 1. Spherulites Fig. 2. Amphibole-garnet-hornfels, Fig. 3. Pseudo-tachylyte Fig. 1. in pseudo-tachylyte...pseudo-tachylyte, Zijferfontein. in Witbank. garnet-hornfels, Kopjes- kraal. XXV. Junction between pseudo-tachylyte...Cordierite-biotite-garnet-hornfels, Kopjes- kraal. XXVI. 1. Biotite-cordierite-hornfels, Fig. 2. Amphibole-hornfels...Amphibole-hornfels, Deelfontein. Fig. 3. Fig. Leeuwdoorns. Biotite and sillimanite in hornfels, Schurvedraai...Fig. 1. Grunerite and fontein. magnetite in hornfels, Deel- X Fig. 2. Recrystallised Orange Grove |
 | | Journal (issue) |
| Boreholes in the Carboniferous rocks of the.A:s:hover district, Derbyshire, by W. H. C. Ramsbottom, M.A., Ph...Sketch map showing radiometry of the Castleton district Radiometry of the east face of Windy Knoll Quarry...occupy groups of small NW. tear faults in the hornfels footwall of a major NE. fault that coincides with...lead- zinc, is strongest in the Newton Stewart district, but a few small structures have been exploited...[890546) (Figs. 2 and 6) the cliffs of Silurian hornfels dipping 40" to 50'' SSE., run NE. and contain |
 | | Journal (article/letter/editorial) |
| Dashed lines indicate uncertain contacts based on outcrops. Inset: Map showing the Barrovian metamorphic...inner aureole (see B in fig. 2) in which pyroxene-hornfels conditions were reached. Chinner (1962) described...of exposures, the hornfels outcrops are not always conspicuous in the field. Hornfels samples are from...to the dehydrated inner aureole, where pyroxene-hornfels conditions were reached. (3) Within the outer |
 | | Report (issue) |
| All mineralized veins at the Wyoming Lode cut hornfels adjacent to the Cripple Creek Mountains pluton...of iron rich ferricrete-tourmaline flooding in hornfels adjacent to the Cripple Creek Mountains pluton...Most of the zone is rubble crop with only a few outcrops observed. Disseminated arsenopyrite grains were...feet (762 m) away from the contact between the hornfels and plutonic phases of the Cripple Creek Mountains...is a quartz-stibnite vein deposit that cuts the hornfels aurole of the Cripple Creek Mountains Pluton near |
 | | Conference Paper/Abstract |
| texture of the limestone unit is not destroyed. Hornfels outcrops about 1 km southwest of the Oblaga mine. The...copper-bearing skarn at the Mason Valley mine, Yerington district, Nevada. Economic Geology 72: 769-795. Einaudi |
 | | Book |
| syenite Igneous breccia Pegmatites Marble xenoliths Hornfels (collar and xenoliths) Sodalitolite segregations...case of the island of Laven in the Langesundfjord District of Norway. Interestingly, and in contrast to its...from the side of the mountain may well be the hornfels rock, which forms an aureole around the igneous...syenite, tawite (now sodalitolite), igneous breccia, hornfels, and marble xenoliths, and he further investigated...these. Rajasekaran (1967) mentioned a quarry in hornfels west of the Poudrette and Demix quarries, without |
 | | Journal (article/letter/editorial) |
| © Springer-Verlag 1993 The Ribeira fluorite district, southern Brazil Geological and geochemical (REE...of different ore deposits grouped in the same district are often complex and may involve inheritance...basement in the Parana state, the Ribeira fluorite district is such an example composed of three deposit types...pattern with the higher ZREE and La/Yb ratio in the district; (2) other fluorites have a strongly negative...the Ribeira fault, but it is revealed by hornfels outcrops. In the ore zone, fluorite and country rock |
 | | Report (issue) |
| wollastonites occur in the metamorphic rocks of the Oslo district, Norway. Synthetic wollastonites have been shown...yield wollastonite; wollastonite-bearing marble or hornfels is formed, or occasionally ·a rock composed dominantly...porphyritic alkaline rocks near Franspoort, Pretoria District, 2 in foyaites of the Spitskop area 3 (lat. 25°00'S...some 50 miles south of Nairobi in the Kajiado District of Rift Valley Province. Small-scale opencast...for treatment and marketing studies. The deposit outcrops on three lQw hills known as the Western, Northern |
 | | Report (issue) |
| others (1969) report mineralization in marble outcrops just to the east of the road here. This is locality...description: Marble interlayered in pelitic schist forms outcrops just east of the Nome-Taylor road. Sainsbury and...most important drainage in the Kougarok mining district. It drains south from its headwaters in Washington...most important drainage in the Kougarok mining district. Placer mining started here as early as 1900 when...000 ounces of known production from the Kougarok district (Hudson and DeYoung, 1977) is from the upper part |
 | | Report (chapter) |
| absent. Sources include, in some cases, specific outcrops, and in some cases secondary (alluvial or colluvial)...identified as a source, whereas in others several outcrops and secondary deposits in an area may have been...material could not have been obtained at other outcrops or deposits within the source area. Results:...the one that is representative of the Bedoulian outcrops to the SW of the Bau, and that is also the source...pieces come from the local source, the Bedoulian outcrops, Les Sautarels, Bezaure, or the Murs area, and |
 | | Report (Issue volume) |
| ORES Da oe ane eeer aee Goonumbla porphyry copper district — Endeavour 26 North, Endeavour 22 and Endeavour...prospecting located traces of base metals in surface outcrops but there are a number of tantalising by volume...material occur in outcrop. Diamictite Small outcrops and drill core intersections of diamictite occur...Precambrian Cratons and Cover, South Australia outcrops supports this observation, since regional folding...Sinter. The two major outcrops are on Mount Gee and Mount Painter; smaller outcrops occur along Radium Ridge |
