The Sarandí del Yí Shear Zone is a strike slip

shear zone In geology, a shear zone is a thin zone within the Earth's crust or upper mantle that has been strongly deformed, due to the walls of rock on either side of the zone slipping past each other. In the upper crust, where rock is brittle, the shear ...

Uruguay Uruguay (; ), officially the Oriental Republic of Uruguay ( es, República Oriental del Uruguay), is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast; while bordering ...

. The shear zone has a NNW-SSE orientation and a

dextral Sinistral and dextral, in some scientific fields, are the two types of chirality ("handedness") or relative direction. The terms are derived from the Latin words for "left" (''sinister'') and "right" (''dexter''). Other disciplines use different ...

relative direction. It runs across the

Río de la Plata Craton The Rio de la Plata Craton (RPC) is a medium-sized continental block found in Uruguay, eastern Argentina and southern Brazil. During its complex and protracted history it interacted with a series other blocks and is therefore considered importan ...

from the coast east of

Montevideo Montevideo () is the Capital city, capital and List of cities in Uruguay, largest city of Uruguay. According to the 2011 census, the city proper has a population of 1,319,108 (about one-third of the country's total population) in an area of . M ...

in the south to the town of

Sarandí del Yí Sarandí del Yí is a city in the Durazno Department of central Uruguay. Location It is located on the north bank of the river Río Yi, and on the intersection of Route 6 with Route 14, about east of Durazno, the capital of the department. The ...

. Sarandí del Yí Shear Zone shows a relative displacement of and truncates the Uruguayan dyke swarm to the west.

References

{{DEFAULTSORT:Sarandi del Yi Shear Zone Geology of Uruguay Strike-slip faults Precambrian South America Shear zones