downthrow

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downthrow

[′dau̇n‚thrō]
(geology)
The side of a fault whose relative movement appears to have been downward.
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References in periodicals archive ?
Northeast to southwest traverse along the cross-section, the Kalabagh Fault appears as a steeply southwest dipping reverse fault along which the eastern side has been downthrown. Along the Kalabagh Fault, a salt plug migrating upward has been interpreted as suggested by its map relationship (Fig.3, 12).
Structural analysis of the Kharthop and Kalabagh Hills area, Mianwali District, Punjab, Pakistan
7, SW wall), giving a left-lateral displacement with the downthrown block to the northeast, consistent with the original topography of the area previous to the extraction of aggregates.
Paleoseismological evidence of Holocene activity of the Los Tollos Fault (Murcia, SE Spain): a lately formed Quaternary tectonic feature of the Eastern Betic Shear Zone
Bulk mining first will remove the Enrichment Blanket, and then as operations progress downward, the Berkeley gross pit resource, the Intermediate-depth "Kelley Blocks" resource, the Intermediate-depth zinc-copper resource, and eventually the Anaconda and Pittsmont downthrown block domes.
A blueprint for the resurrection of Montana's Butte district: should the mining industry reconsider a historic brownfield area with a grand environmentally responsible mining plan?
It can be deduced from this study that the wells drilled on the study area were located to target the rollover anticline formed on the downthrown side of the fault M2 and assisted by minor fault F2.
Integration of seismic and petrophysics to characterize reservoirs in "ALA" oil field, Niger Delta
Oil and gas are found on the upthrown side of the main fault and in the anticlinal structure on the downthrown side of the fault.
NIGERIA - The Geology Of Nigeria
Points 602 and SZYM, located on the fault's downthrown wing, show significant displacements similar in direction.
"Dobromierz" geodynamic network--results of 2001 and 2002 campaigns
Displacement appears to be approximately 20 feet (6.1 m) with the downthrown block to the north.
Geology of the Walnut Miss.-Tenn. 7.5 minute topographic quadrangle
Barquest (1989) found that areas adjacent to faults in the Austin Chalk had much higher fracture intensity and weathering, particularly in the downthrown block.
Abandonment of hand-dug wells: a case study in Ellis County, Texas
In the downthrown (northern) block several smaller east-west-trending normal faults occur and although the displacement on these structures is small (5 to 25m) they appear to have acted as conduits for mineralization.
The Lisheen Zn-Pb deposit
The company said, "The Garten discovery well targeted a downthrown structural closure and encountered more than 700 feet of net oil pay in stacked, high quality Jurassic-aged sandstone reservoirs.
Apache announces 'significant' oil discovery in U.K. North Sea
The Shunnan area is a three-level structural unit within the Tarim Basin, located at the downthrown side of the boundary fault I of the Tazhong Low uplift (Figure 1).
Seismic Characterization of Hypogenic Karst Systems Associated with Deep Hydrothermal Fluids in the Middle-Lower Ordovician Yingshan Formation of the Shunnan Area, Tarim Basin, NW China
With a downthrown of the western block it also affects the Choiyoi Group and Las Lagunitas Formation (Figs.
The Palaeozoic basement of the Andean Frontal Cordillera at 34[degrees] S (Cordon del Carrizalito, Mendoza Province, Argentina): geotectonic implications

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