GSA Bulletin: Transfer Of Displacement From Multiple Slip …
Orientation of principal stress axes during formation of sigmoidal gypsum veins: σ 3 is normal to planar central part of the vein; σ 2 lies in vein surface parallel to hinge line marking tail curvature; and σ 1 lies in planar central part, mutually perpendicular to σ 2 and σ 3. … Get Document
MARSLAB INVESTIGATION OF THE SPECTRAL SIGNATURE OF GYPSUM …
Most of the gypsum is present in small (<1 – 2 cm) veins, and coverage was typically <5% of the surface (Figure 3B shows one of a few atypically large gypsum veins although coverage is still <50% of an ~12 inch image pixel) . … Retrieve Document
GYPSUM AND JAROSITE IN ROBERTS MASSIF 04262: ANTARCTIC …
Results: Gypsum. A calcium-sulfate phase is seen as veins in Cl-apatite in Figure 1. The calcium-sulfate vein is seen extending from a heavily altered iron-sulfide (pyr-rohotite) suggesting the source of calcium and sulfur were the Martian calcium-phosphate and iron-sulfide, respectively. … Fetch Full Source
Chugwater Formation – Wikipedia, The Free Encyclopedia
Near the top of the formation is a thick layer of gypsum of very high quality. The whole rock is interrupted by gypsum veins as well as having a disrupted texture because of the precipitation of gypsum crystals after deposition of the rock. … Read Article
Sulfide Minerals – Sphalerite Picture – About Geology – The …
Sphalerite can be found in many ore veins of sulfide minerals, commonly associated with galena and pyrite. Miners call sphalerite "jack," "blackjack," or "zinc blende." … Read Article
On The Arrangement Of Solid Inclusions In Fibrous veins And …
Gypsum veins Gypsum veins were sampled in deformed Eocene carbonates and shales on the coastline near Ras al Hamra, Muscat, Oman. Up to severalcentimetres thick gypsum veins are embedded in shales, while fewmillimetre-sized gypsum veins were found in adjacent carbonates layers. … Doc Retrieval
GYPSUM AND ANHYDRITE FneNr A. Wrlnrn, North Holston, Virginia.
Gypsum veins (A) in anhydrite (B) at clitr near mouth of Grand Codroy River, Newfoundland. 1 Statistics of Bureau oJ Mines, quoted in article on Gypsum in Mineral Ind.uslry, Vol. XXXV, 335,1927. 2 The writer in a monograph on gypsum published by Ioua Geological Suruey (VoI. 37, pp. 44-536), lists 900 titles, and the … Get Document
GYPSUM DEPOSITS OF CALIFORNIA
Deposits; (4) selenite, or crystallized gypsum veins. Of these all except the fourth class the veins may locally be of value. The efflorescent deposits are widely spread over the Coast Range … Access Full Source
The Evolution Of Mullions (Structural Geology, Low Quality …
In the more competent layer, quatz veins (white) formed. This movie combines some observations of these structures, and gives an animation of 0:34 Add to Strike-slip experiments using gypsum powder (Structural Geology analogue modeling) by StrucGeology 2,246 views … View Video
RIVER URE CLIFF, RIPON PARKS
Note the abundant sub-concordant sheet-veins of fibrous gypsum (white) in the upper part of the section. (Photo: A.H. Cooper.) The lenses and sheet-veins of white fibrous gypsum are up to 0.12 m thick and some may be traced for more than 15 m (Forbes, 1958); they form up to 40% of some of the higher … Return Doc
Gypsum – Wikipedia, The Free Encyclopedia
Hydrothermal anhydrite in veins is commonly hydrated to gypsum by groundwater in near-surface exposures. It is often associated with the minerals halite and sulfur. … Read Article
ELSEVIER Sedimentary Geology 130 (2000) 249–268 Gypsum …
Spar gypsum veins; in other cases the nodules are simply juxtaposed to one another. In many cases the internodular space is filled by irregularly shaped … Doc Viewer
MoonFaker: Moon Rocks Revisited. Episode 5, Helium-3 & Fusion …
@WhiteJarrah But DAG 872 it's weathered & has secondary gypsum & calcite veins running through it. It might get confused with an equally weathered lunar meteorite but it's vastly different from Apollo samples. … View Video
How To Prepare Soil To Plant Irises – YouTube
Chlorosis; yellowing of the veins; soil nutrients; alfalfa pellets; sand; humus; manure; cotton-bur compost; gypsum; License: Standard YouTube License … View Video