rift zone


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rift zone

n.
1. A large area of the earth in which plates of the earth's crust are moving away from each other, forming an extensive system of fractures and faults.
2. A linear zone of fissures along the flanks of a volcano, from which lava erupts.

rift zone

An area of the Earth's crust in which there are numerous rifts and rift valleys. See more at tectonic boundary.
References in periodicals archive ?
Snowstorm's 80.3 km2 of land holdings are strategically located at the projected intersection of three of the most important gold trends in Northern Nevada: the Carlin Trend, the Getchell Trend and the Northern Nevada Rift Zone. Goldstorm is in the Northern Nevada Rift (NNR), a geologic feature hosting many high grade gold-silver mines.
Snowstorm's 80.3km[sup.2] of land holdings are strategically located at the projected intersection of three of the most important gold trends in Northern Nevada: the Carlin Trend, the Getchell Trend and the Northern Nevada Rift Zone (see map below).
Sindh has two major Oil and Gas bearing regions (1) Sindh Monocline commonly known as Badin Block Area; (2) Outside Sindh Monocline, which includes Sukkur Rift Zone, Mazarani Fold Zone, Khirthar Depression and Karachi Depression.
The silver and black Marin Rift Zone 3 and a white Specialized Stump Jumper Comp, were taken from a property at around 2am yesterday.
We continue 24-hour operation to monitor the eruption in the Lower East Rift Zone and the hurricane," a statement provided by Kim's office said.
"Given this volume and the sustained withdrawal of magma from the summit reservoir without appreciable deformation in the lower East Rift Zone, it is most likely that the LERZ eruption may continue for months to years," a report from the Hawaii Volcano Observatory said.
The lava itself, extruded from about two dozen fissures that opened on the slope of Kilauea's "eastern rift zone" earlier this month, has also knocked out telephone and power lines and forced the shutdown of a geothermal energy plant.
The volcanic instability at Kilauea, one of the world's most active volcanoes and Hawaii Island's youngest, began on Monday underneath the eastern flank of the volcano, an area known as the East Rift Zone.
The USGS's Hawaiian Volcano Observatory issued a notice in mid-April that there were signs of pressure building in underground magma, and a new vent could form on the cone or along what's known as the East Rift Zone. Leilani Estates sits along the zone .
Geologist Janet Babb of the Hawaiian Volcano Observatory told AFP that scientists had been following an "intrusion of magma" down the rift zone since Monday afternoon in anticipation of a possible eruption.