The current interpretation of the Lafigue deposit suggests it is hosted within an early
shear zone that has been subsequently modified by folding and shear events.
Further oxide gold intercepts 800 metres north along strike from Flushing Meadows and 5 kilometres south at Flinders Park have verified the Barwidgee
shear zone as a highly prospective exploration target.
Scientists from NASA's Advanced Rapid Imaging and Analysis team concluded that these earthquakes took place in an active fault zone known as Eastern California's
Shear Zone. An image shared by NASA shows ground on either side of the fault line moving in opposite directions and causing significant displacement of the Earth.
Primitive research in ductile
shear zone proposed that the heterogeneous simple shear is a dominate deformation regime (Ramsay, 1980; Ramsay and Allison, 1979; Ramsay and Graham, 1970; Simpson, 1981; Watts and Williams, 1983) but recent research indicates that in most of the
shear zones involve three-dimensional combinations of simple and pure shear strain, such as transpression and transtension zone (Bhattacharyya and Hudleston, 2001; Montesi, 2013; Liang et al., 2015; Fossen and Cavalcante, 2017; Behyari and Moghadam, 2018).
The company said a second series of holes will test the Panama Zone where past diamond drilling completed by Noranda Exploration in 1988 encountered results of up to 2.8g /t gold over 4.5 metres within a 20 to 30-metre wide mineralized
shear zone.
A 2 km wide
shear zone is present between Thalpan and Thak villages which is characterized by its north-south orientation, shear folds and the presence of sheared tonalite.
Other factors included record high temperatures, low humidity and a "near-surface cyclonic wind
shear zone," according to the study.
The Company completed an expanded, systematic sampling program that exposed a 90.8 foot mineralized
shear zone, starting 245 feet inside the Dayton adit.
Professor Mohammed alluded to the report conducted by Julius Berger on the geological, hydrological and geotechnical investigation for Abuja which identified Mpape as a
Shear zone that is weak with several fractures and faults system.
In later times the two paleohighs were separated by the Euphrates in a cross-plate
shear zone across Syria and Iraq.
As known, the failure surface of the soil specimen tested in the conventional direct shear test is along a straight plane without a certain thickness, which deviates from the real deformation and strength properties of the
shear zone. On the one hand, the heterogeneity of stress and deformation is enhanced by the dislocation of the rock block in the shear process.