Cataclastic Strike Slip Shear Zone in a Quartz Feldspar Rock Rhyolitic Metatuff in Precambrian Packsaddle Schist Llano Uplift Texas
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Figure F22 Cryptocrystalline basalt clasts left edge embedded in fine to medium grained cataclastic massive unit Unit 1256D 40 interval 309 1256D 117R 1 121 131 cm
within the harzburgite Light gray areas in the dunite are talc altered and buff brown bands are serpentine altered fine grained cataclastic regions interval 209 1268A 6R 1 46 66 cm
plot showing variation of total cataclastic crystal plastic alteration vein intensity running average over ~50 cm and magmatic vein frequency with depth in Hole 1270D TD = total depth
Images Various Cataclastic Fracture A Noise Collection
polarized light Scale bar = 1 mm 6 Suggested process of growth of cataclastic lineation observed in serpentinites at Site 899 after Tanaka 1992 but slightly modified see text
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Me jumping over a big hole into poison ivy I like Britten laughing at me A cataclastic dike and Katie for scale
border Only recently have impact shock features been found in local breccias and cataclastic rocks Courtesy NASA LPI Kara Kul crater Image couresy of Google Earth Horseshoe Crater in New Mexico Horseshoe Crater is a Crater in the state of
the cataclastic fragments Slickenslides are scratches on fault planes Fig 7e Faults at depths > 15 km generally turn into soft plastic shear zones producing mylonites Fig 7f Hydrothermal fluid in shear zones enhances softening Mylonites show grain size reduction and strong flow fabrics i e foliation quartz and carbonate grains are plastically
4 Burial 5 Dynamic or shear cataclastic Classification Texture and Mineralogy 1 foliated foliation schistosity Classification Texture and Mineralogy 2 non foliated Classification Texture and Mineralogy
ian newb1 jpg red hematized upper plate rocks overlying cataclastic lower plate mylonitic gneiss ian newb3 bron cataclastic lower plate mylonitic gneiss Cuddfan Bronwen Oatmansilvercreekturnoff jpg Airphoto of the turnoff to Oatman from Hwy 95 in Laughlin UTM 720 321 3889 337
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diagram 2 3 sigmoidal lenses of quartz define shear bands mylonitic and cataclastic rock and more mylonitic and cataclistic rock in the southeastern San Bernardino Mountains southern California these rocks occur in the lower plate of the
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Figure F60 Variation of dips of cataclastic shear zones over the cored depth range of Hole 1268A TD = total depth
2 3 sigmoidal lenses of quartz define shear bands mylonitic and cataclastic rock and more mylonitic and cataclistic rock in the southeastern San Bernardino Mountains southern California these rocks occur in the lower plate of the eastern Peninsular Ranges Shear Zone a zone
Without the large scale ***ysis of cataclastic gouge in exposed faults in the field it is difficult to produce more practical three dimensional predictions Combining Fault Processes Full Fault Seal ***yses of cross fault juxtaposition and fault zone processes can be combined to produce maps of fault seal
Figure 4 Core showing of subseismic cataclastic faults in fault damage zone
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Figure F44 Downhole running average of alteration vein and cataclastic intensity TD = total depth
Figure F59 Histogram showing range of measured dips of cataclastic shear zones in Hole 1268A N = number
4 Sample 149 897C 66R 4 50 55 cm Deformational phase F1 Thin section photomicrograph of cataclastic texture in a calcite free serpentinized peridotite breccia Scale bar = 1 mm
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Cataclastic Breccia Developed Along a Strike Slip Shear Fault at the Margin of the Enchanted Rock Pluton Enchanted Rock State Park Texas
lateral branches of the large vein merging with the network of minute veins bounding clasts Note weak cataclastic foliation indicative of shear between peridotite clast and breccia
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A cataclastic dike and Katie for scale The Badlands <3
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Cataclastic
a matrix of altered clay Alternatively hydrothermal fluids can precipitate quartz or carbonate grains between the cataclastic fragments Slickenslides are scratches on fault planes Fig 7e Faults at depths > 15 km generally turn into soft plastic shear zones producing mylonites Fig 7f Hydrothermal fluid in shear zones enhances softening Mylonites show
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Tim_CNA: dynamic :- subordinates process of stress and temperature cause shearing movement and produce cataclastic rock or minerals.