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Talchir Formation (1)
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Primary terms
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Tertiary
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Neogene
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lower Miocene (1)
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Chordata
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Vertebrata
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
Muth Formation
Conjugate, cataclastic deformation bands in the Lower Devonian Muth Formation (Tethyan Zone, NW India): evidence for pre-Himalayan deformation structures Available to Purchase
Siliciclastic Stromatolites and Other Microbially Induced Sedimentary Structures in an Early Devonian Barrier-Island Environment (Muth Formation, NW Himalayas) Available to Purchase
A Gondwanan Coastal Arthropod Ichnofauna from the Muth Formation (Lower Devonian, Northern India): Paleoenvironment and Tracemaker Behavior Available to Purchase
(a) Thin-section photomicrograph of quartzite typical of the Muth Formation... Available to Purchase
Lithostratigraphic sections of the Muth Formation southeast of village Mikk... Available to Purchase
FIGURE 2 —Generalized stratigraphic sections of the Muth Formation in the P... Available to Purchase
Devonian Ichnofossils from the Farakah Muth Section of the Pin Valley, Spiti Himalaya Available to Purchase
Fluidization pipes and spring pits in a Gondwanan barrier-island environment: groundwater phenomenon, palaeo-seismicity or a combination of both? Available to Purchase
Abstract Cylindrical structures, cross-cutting stratification at right angles, occur in the Muth Formation, representing Lower Devonian barrier island arenites of the North Indian Gondwana coast. These structures are up to 1.5 m in height and 0.8 m in diameter, with an internal structure comprising concentric, cylindrical laminae. The pipes, which probably represent water conduits for laminar upward flow of ground water, initiate from relatively thin horizons, with upper terminations formed by spring pits. Thus, the structures in the Muth Formation represent a rarely observed combined occurrence of spring pits and their conduits below. Their formation is explained by rising ground water seepage in a coastal depositional environment that produced a relatively high hydrostatic head, resulting in the formation of springs. The rise in relative sea level might be related to tectonic subsidence caused by tectonic activity linked to the formation of conjugate deformation bands in the Muth Formation. This means, if tectonic activity was involved, it did not form the cylindrical structures by seismic liquefaction directly, but might be responsible indirectly through ground water seepage rise resulting from tectonic subsidence. Due to the little relief in this environment, the sea level rise affected a relatively large area and fluidization structures can be found widespread in distant sections.