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1
The Barrier Zones in the Ocean
Table 11.5.4 Lithological description of the terrigenous marine-glacial mud of the
Greenland Sea 135-240 Pelitic mud, viscous, plastic, gray, Debris of the
sandstone (1-1.5 cm) in the 210- and 220-cm horizons AK-791, 1550 m, 70 520
N, ...
2
THE DYNAMIC EARTH SYSTEM
Table 8.6 Metamorphic Minerals as indicators of the Precursor Composition
Mineral Formula Precursor Rock Actinolite Ca2(Mg, Fe)5 SisOzz(OH)2 Mafic
igneous Almandine Fe3 A12 (SiO4)3 Pelitic Andalusite/ Sillimanite/ A12 SiO5
Pelitic ...
3
Essentials of Igneous and Metamorphic Petrology
Perhaps the most sensitive protolith to changes in temperature and pressure
during metamorphism is pelitic schist. In addition, pelitic rocks (i.e.,
metamorphosed shales) are widespread in most orogenic belts. Therefore many
studies use ...
B. Ronald Frost, Carol D. Frost, 2013
4
Geological Survey Professional Paper
Few 8180 values are greater than 8.0 per mil (table 4), which by comparison to
Paleozoic source regions suggests a low pelitic component in the protolith (O'
Neil and Chappell, 1977). This suggestion is supported by both the low values for
...
Geological Survey (U.S.), 1986
5
U.S. Geological Survey Professional Paper
The oldest rocks consist of pelitic metasedimentary gneiss inter- layered with
dark-colored Precambrian biotite-quartz- feldspar augen gneiss that originally
intruded the metasedimentary rocks as porphyritic granodiorite and
monzogranite.
6
Precambrian Sedimentary Environments: A Modern Approach to ...
Diagram of carbonate–pelitic–clastic components (modified after Rosen & Zlobin,
1990) for normative mineral composition of the Early Proterozoic
metasedimentary rocks of the Anabar shield. Fig. 2. Distribution of the Hurwitz
Group and ...
Wladyslaw Altermann, Patricia Corcoran, 2009
7
New Zealand Journal of Geology and Geophysics
1 km wide) of intense deformation separates the Forbes Range phyllites from the
grey pelitic schists to the east. This zone exhibits considerable shearing and tight
mesoscopic folding. There is a textural grade change across this boundary: the ...
8
Marine Eutrophication and Population Dynamics: 25th European ...
The area of pelitic diffusion was described in detail by the above-mentioned 339
authors and by Brambati et al. (1983) in a recent sedimentological map. Brambati
The pelitic distribution allows the influence to be defined of the various rivers ...
9
New Zealand Journal of Geology and Geophysics
appearance (e.g., OU41224). On Mt Barber they are almost always associated
with siliceous gneiss and biotite schist (Fig. 6). Biotite schist includes both pelitic
and semi-pelitic varieties and occurs as distinctive, red- weathering horizons ...
10
Petrogenesis of Metamorphic Rocks
Shaw DM (1956) Geochemistry of pelitic rocks. Part III: major elements and
general geochemistry. Geol Soc Am Bull 67:919–934 Spear FS (1999) Real-time
AFM diagrams on your Macintosh. Geol Mater Res 1:1–18 Spear FS, Cheney JT
...
Kurt Bucher, Rodney Grapes, 2011
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Skyharbour Intersects 0.172% U3O8 Over 2.5 Metres from 2015 …
The uranium and thorium mineralization is associated with pegmatite entrained in Wollaston Group pelitic and graphitic pelitic gneiss and ... «MarketWatch, 七月 15»
NexGen Drills Intensive Radioactivity at Arrow - Rapid Expansion in …
Basement lithologies consisted largely of semipelitic gneiss to granofel, and relatively narrow intervals of pelitic gneiss and mylonite (the A2 ... «Junior Mining Network, 七月 15»
Kivalliq's summer program at Hatchet Lake advances priority target …
The Upper Manson and SW Scrimes targets occur within north east trending pelitic and psammopelitic gneiss host rocks and were prioritized ... «Your Nuclear News, 六月 15»
Winter Exploration Program Refines Jurgen Targets at Genesis …
In the Athabasca region, EM conductors often represent graphitic horizons in pelitic rocks that are a common host for uranium mineralization. «Geology for Investors, 六月 15»
Jurgen Winter Exploration Program Refines Targets at Genesis …
In the Athabasca region, EM conductors often represent graphitic horizons in pelitic rocks that are a common host for uranium mineralization. «MarketWatch, 六月 15»
Drill Tracker Weekly: Fission Discovers New Parallel Zone at Depth …
... 2.5 metres of mineralization well within the less commonly mineralized semi-pelitic gneiss grading 3.26% U3O8. The intersection is important ... «Uranium Investing News, 六月 15»
Glemmark Receives Approval for DD-Group Uranium Claims
The mineralization occurred in fractures and breccias within the graphitic pelitic gneiss and they were associated with strong pyritization which ... «Baystreet.ca, 六月 15»
Drill Tracker Weekly: Fission Extends Basement-hosted …
The mineralization is hosted within the relatively competent silicified semi-pelitic gneiss and the graphitic pelitic gneiss. An additional drill hole ... «Uranium Investing News, 六月 15»
Denison Mines Reports 2015 First Quarter Financial and …
At Hatchet Lake, a zone of weakly mineralized, intense basement clay alteration, coincident with a strong fault zone within graphitic pelitic ... «Uranium Investing News, 五月 15»
Denison Mines Corp. Reports First Quarter 2015 Results
At Hatchet Lake, a zone of weakly mineralized, intense basement clay alteration, coincident with a strong fault zone within graphitic pelitic ... «MarketWatch, 五月 15»
