1 edition of Clastic dikes of Heart Mountain fault breccia, northwestern Wyoming, and their significance. found in the catalog.
Clastic dikes of Heart Mountain fault breccia, northwestern Wyoming, and their significance.
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Photomicrograph of fault breccia in the Cambrian Antietam Formation, Blue Ridge province. Breccias form when rocks are extensively fractured in fault zones and are cemented together when minerals precipitate in the cracks and fractures. Note the angular fragments (fr) of quartz sandstone in a matrix of fine-grained iron oxide cement (ic). Field of view 4 [ ]. Omma & Dickson, ). ‘Fault breccia’ would also be restored to a meaning closer to that deﬁned by Spry (). Figure 3. A revised classiﬁcation of fault rocks. 6. A revised classiﬁcation of fault rocks Our revised classiﬁcation of fault rocks (Fig. 3) uses clast size as the primary criterion for designating a fault Size: 1MB.
1. Smaller meteoroids and comets tend to burn up and disintegrate in the Earth's atmosphere before striking its surface 2. Many impact craters on the Earth are buried by sediment over geologic time and so we don't see them. 2). À breccia-fault zone, containing all the ore bodies, forms an arc extending in a northeast direction from south of the Kendall breccia body through the Horseshoe breccia body (Lindsey, and Lindsey and Naeser, ). Because of the economic significance of these breccia bodies, it is important to understand the age and origin ofAuthor: Paul Racenet.
Etymology: "Breccia" is Italian, meaning broken stones, rubble. A coarse-grained clastic rock, composed of angular broken rock fragments held together by a mineral cement or in a fine-grained matrix; it differs from conglomerate in that the . Deformation of host rocks and flow of magma during growth of minette dikes and breccia-bearing intrusions near Ship Rock/ New Mexico. (Geological Survey professional paper ; ) Bibliography: p. Supt. of Docs, no.: I 1. Dikes (Geology) New Mexico Ship Rock. 2. Intrusions (Geology) New Mexico Ship Rock. I. Pollard/ David D. II Cited by:
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Structural features in northwestern Wyoming indicate that the Heart Mountain fault movement was an extremely rapid, cataclysmic event that created a large volume of carbonate fault breccia derived entirely from the lower part of the upper plate.
After fault movement had ceased, much of the carbonate fault breccia, here called calcibreccia, lay loose on the resulting surface of.
Clastic dikes of Heart Mountain fault breccia, northwestern Wyoming, and their significance: USGS Professional Paper [Pierce, W.
G.] on *FREE* shipping on qualifying offers. Clastic dikes of Heart Mountain fault breccia, northwestern Wyoming, and their significance: USGS Professional Paper Author: W. Clastic dikes of Heart Mountain fault breccia Pierce.
Clastic dikes of Heart Mountain fault breccia, northwestern Wyoming, and their significance (OCoLC) Material Type: Government publication, National government publication, Internet resource: Document Type: Book, Internet Resource: All Authors / Contributors: W G Pierce; Geological Survey (U.S.).
Clastic dikes of Heart Mountain fault breccia, northwestern Wyoming, and their significance (DLC) (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type: Internet Resource, Computer File: All Authors / Contributors: W G Pierce; Geological Survey (U.S.).
The Heart Mountain Detachment (HMD) was formed by a huge slide that occurred in north-central Wyoming during the early Cenozoic (about 50 million years ago within the uniformitarian timescale). The initial block of carbonate rock covered an area of 1, km 2 near the northeast edge of Yellowstone National Park.
carbonate fault breccia up to 1 m thick and groove casts at the slide contact Pierce, W.G., Clastic dikes of Heart Mountain fault breccia, northwestern Wyoming, and their significance, U.S.
Geological Survey Professional PaperU.S. Government. Pierce, W.G.,Heart Mountain detachment fault and clastic dikes of fault breccia, and Heart Mountain break-away fault, Wyoming and Montana, in Beus, S.S., ed., Centennial Field Guide Volume 2: Rocky Mountain Section of the Geological Society of America, p.
Availability Out of print. Check Digital access to this. Bibliography of Clastic Dikes Research.Clastic dikes of eastern Washington and their geologic significance, American Journal of Science, 10, p.Clastic dikes of Heart Mountain fault breccia, northwestern Wyoming, and their significance, U.S.
Geological Survey Professional Paper,p. 25 pgs. Breccia (/ ˈ b r ɛ tʃ i ə / or / ˈ b r ɛ ʃ i ə /) is a rock composed of broken fragments of minerals or rock cemented together by a fine-grained matrix that can be similar to or different from the composition of the fragments.
The word has its origins in the Italian language, in which it means either "loose gravel" or "stone made by cemented gravel".A breccia may have a variety of.
Breccia Peak (11, feet [3, m]) is a mountain in the southern Absaroka Range in the Rocky Mountains. It is located in Teton County in U.S. state of Wyoming near Togwotee Pass and close to the southwest border of the Teton Wilderness within the Bridger-Teton National on: Teton County, Wyoming, United States.
Fault breccia (/ ˈ b r ɛ tʃ i ə / or / ˈ b r ɛ ʃ i ə /; Italian for "breach"), or tectonic breccia, is a breccia (a rock type consisting of angular clasts) that was formed by tectonic forces. Fault breccia is a tectonite formed by localized zone of brittle deformation (a fault zone) in a rock.
Dike breccia – impact breccia dikes A dike in the common geological sense is a mostly tabular body of different materials (minerals, rocks, ores) cross-cutting the host rock.
In impact structures, breccia dikes have played an important role in the understanding of the impact cratering process. Breccia, lithified sedimentary rock consisting of angular or subangular fragments larger than 2 millimetres ( inch).
It differs from a conglomerate, which consists of rounded clasts. A brief treatment of breccias follows. For full treatment, see sedimentary rock: Conglomerates and.
The Heart Mountain Fault in northwestern Wyoming was first called an overthrust (Dake, ; Hewett, ).Stevens () concluded that it “is the easternmost of the great belt of Rocky Mountain thrust faults” (p.
) and suggested inertia as a possible factor in their formation. Bucher () noted several peculiarities of this fault and suggested the possibility “that the. MS Book and Mineral Company Geology and Mining History of Wyoming I - Federal Publications. PP / Pierce, W. / CLASTIC DIKES OF HEART MOUNTAIN FAULT BRECCIA, NORTHWESTERN WYOMING, AND THEIR SIGNIFICANCE,pb.
Some breccia forms as material that accumulates at the base of a steep slope or cliff. Cataclastic breccia is formed when fragments fall from a fault. Volcanic breccia, pyroclastic, or igneous breccia is formed from the compaction of lava chunks with ash.
Collapse breccia is sedimentary breccia formed from the collapse of a cavern. AbstractThe Heart Mountain allochthon is among the largest landslide masses in the rock record. The basal fault, the Heart Mountain detachment, is an archetype for the mechanical enigma of brittle fracture and subsequent frictional slip on low-angle faults, both of which appear to occur at ratios of shear stress to normal stress far below those predicted by laboratory by: 4.
Describe what happens to clastic sediments as it becomes buried and converted into rock. Increasing pressure pushes clasts together, a process called compaction.
Compaction forces out excess water and causes sediments to lose up to 40% volume. Other articles where Fault breccia is discussed: fault: it is referred to as fault breccia. Occasionally, the beds adjacent to the fault plane fold or bend as they resist slippage because of friction.
Areas of deep sedimentary rock cover often show no. USGS Professional Papers 5 - Geologic and Mining Related, Numbers - PP / Pierce, W. / CLASTIC DIKES OF HEART MOUNTAIN FAULT BRECCIA, NORTHWESTERN WYOMING, AND THEIR SIGNIFICANCE,pb, 25 pages, 27 figs., 1 table, $.
In the Azuara structure the abundance of impact breccia dikes and their great variability is striking [see FIEBAG, J. (): Contributions to the geology of the Azuara structure: Geological mapping in the area between Herrera de los Navarros and Aladrén and SE of Almonacid de la Cuba, and special investigations of the breccias and breccia.The long runout of the Heart Mountain landslide: A chemo-thermo-poro-elastic mechanism.
Clastic dikes of Heart Mountain fault breccia, northwestern .An impact breccia is “a breccia with clastic matrix or crystalline matrix (derived from the crystallization of impact melt) containing lithic and mineral clasts of different degree of shock metamorphism excavated by an impact from different regions of the target rock section, transported, mixed, and deposited inside or around an impact crater.