10 LIBROS DEL POLACO RELACIONADOS CON «HORNFELS»
Descubre el uso de
hornfels en la siguiente selección bibliográfica. Libros relacionados con
hornfels y pequeños extractos de los mismos para contextualizar su uso en la literatura.
1
U.S. Geological Survey professional paper - Strona 40
The color difference between the pelitic hornfels and calc- hornfels beds is caused by the presence of much fine carbonaceous material in the pelitic hornfels. Light-colored calc-hornfels layers generally have wavy contacts with the contiguous ...
Geological Survey (U.S.),
1965
2
Annotated Bibliographies of Mineral Deposits in Africa, ... - Strona 404
The top and bottom beds are hard biotite-feldspar hornfels; the bottom bed is thicker than the top. Intercalated in the hornfels are pyroxene hornfels and pyroxenegrossularite hornfels and one to three discontinuous bands of metasomatically ...
or less. Ocean spreading centers represent regionally extensive zones of hydrothermal metamorphism that produce hornfels facies rocks on a large scale, effectively altering entire ocean basins. The four types of hornfels facies are named for ...
Kevin Hefferan, John O'Brien,
2010
4
Radioactivity and Uranium Content, Sharon Springs Member ...
The only hornfels in the Mescal noted by the writers is just above the diabase contact about a mile southwest of the Red Bluff mine. Shride (oral communication, 1954) has noted similar hornfels in both formations at several other localities.
Edwin Robert Landis,
1959
5
Geologic Studies in Alaska by the U.S. Geological Survey, 1995
3066R1 Au-4 61 11 23 158 49.31 1 10 <0.002 2.7 48 <0.02 1.0 s Siltstone hornfels with quartz-vein stockworks 3066R2 Au-4 61 l 123 158 49.31 130 .014 73 34 <.02 1.1 s Siltstone hornfels with 5-cm-wide quartz vein 2. 33.13RA Au-5 61 13 ...
6
The Evolution of the Rheic Ocean: From Avalonian-Cadomian ...
Sample Rock type Sample location Coordinates 753 Cordierite hornfels Spitzberg, Schwosdorf r5431130 h5682450 754 Granodiorite Spitzberg, Schwosdorf r5431160 h5682400 755 Graywacke Bischheim-Häslich r5432230 h5679700 756 ...
7
Geological Survey professional paper - Wydania 430-431 - Strona 61
Exceptions to this general rule are to be found, of course, and some hornfels contains both minerals. Undoubtedly, however, the tendency for one or the other to be formed reflects differences in the original sedimentary rock. Tilley (1924, p.
Geological Survey (U.S.), Geological Survey (U.S.). Geographic Names Information Management,
1962
8
Geology and Metallogeny of Copper Deposits: Proceedings of ...
Oxygen isotope values through two igneous rockmetasedimentary xenolith profiles, Babbitt deposit Sample depth (m) δ 18 O (‰ SMOW) Rock type Locality 1 279.8 7.5 Troctolite 280.0 9.1 Troctolite 281.3 11.6 Hornfels 282.8 14.1 Hornfels ...
Guenther Friedrich, Alexandr D. Genkin, Anthony L. Naldrett,
2012
9
Origin of granite - Strona 68
When this happened, fresh pulverized hornfels along a 50-foot width of the zone oozed out of the walls of the tunnel and covered the tracks. How~ ever, when this material was mucked out, it was found that no tirnbering was necessary in that ...
10
Study of the Hornfels Collar Around Mount Bruno
Aerial photographs, approximately 40́+: 1 mile, were of considerable aid in this project for the only map available for Mount Bruno is the Beloeil Sheet, 10́+: l mile, of the National Topographie Series, on which the contour linas are not ...
10 NOTICIAS EN LAS QUE SE INCLUYE EL TÉRMINO «HORNFELS»
Conoce de qué se habla en los medios de comunicación nacionales e internacionales y cómo se emplea el término
hornfels en el contexto de las siguientes noticias.
Wealth Renegotiates Mexican Silver Project Option
... and segmented precious and base-metal bearing quartz-sulphide (pyrite, galena, sphalerite and chalcopyrite) veins within a broad hornfels gossan. «MarketWatch, Oct 15»
Calibre Mining and B2Gold Continue Exploration on Borosi Joint …
... formation of garnet and iron (hematite and magnetite) skarns, hornfels and silicification. The skarn bodies are elongated with a NW and northern trend and can ... «MarketWatch, Oct 15»
Northair Silver Airborne Geophysical Survey Identifies New Drill …
The Company believes this linear magnetic low represents alteration superimposed on hornfels sediments along a north to northwest trending fault. This north to ... «MarketWatch, Jun 15»
Guerrero Identifies Additional Target Areas With 2014 Airborne …
The survey has resulted in one Priority 1 target located southwest of the Punto Rojo - Hornfels Hill magnetic linear, three Priority 2 areas located along the same ... «MarketWatch, May 15»
Grenzach-Wyhlen Wen auch immer sie einst beschützte
Diese hat keinen namemtlich bekannten Erbauer, kein defnierbares Alter und auch keinen offiziellen Namen. „Burg Hornfels“ wird das Bauwerk in den wenigen ... «www.verlagshaus-jaumann.de, Abr 15»
Guerrero Drills 26.98 Metres Grading 1.07 g/t Gold on Biricu Project …
The program consisted of 5,387.78m distributed over three priority areas of the property these being Punto Rojo (2,669.47m), La Curva (811m) and Hornfels Hill ... «Marketwired, Ene 15»
The types of rock: igneous, metarmorphic and sedimentary
The reddist areas are rusty mica. Image modified from Willowleaf Minerals. eclogite; gneiss; hornfels; marble; migmatite; phyllite; quartzite; serpentinite; slate ... «ZME Science, Ene 15»
Digging down into Cape history
... enough to draw blood), bifacial and unifacial rock points, and cores – the silcrete, hornfels, quartzite and quartz rocks from which the usable flakes were struck. «Independent Online, Nov 14»
Guerrero Commences Maiden Diamond Drill Program at Biricu …
This phase of drilling focuses on targets in the northern half of Biricu and commences in the Hornfels Hill and Punto Rojo target areas. Both Hornfels and Rojo ... «Marketwired, Oct 14»
Geology and Generals: How Geology influenced the Battle of …
Where the molten magma intruded into the Gettysburg Formation, a contact zone of metamorphosed Hornfels formed. Diabase is the hardest rock of this series ... «Scientific American, Jul 14»