Sentences with phrase «bibiani shear zone»

The JV covers a sequence of altered rocks adjacent to the Mary Kathleen shear zone that is rich with known deposits to the north and south, including copper, gold, uranium and rare earths.
This week, TerraX also released results from its Mispickel target, where drilling has defined a series of high - grade gold zones within a wider zone of lower - grade mineralization associated with a north - to north - northwest - trending subvertical shear zone.
Here, University of Delaware researcher Jessica Warren measures the distance between rock samples collected from a peridotite shear zone.
But internal features of the slide, exposed in outcrops, yielded evidence such as jigsaw puzzle rock fractures and shear zones, along with the pseudotachylytes.
The team found that swimming bacteria cluster in the «high shear zones» in a flow — the regions where the speed of the fluid changes most abruptly.
Researchers had long thought that proto - North American and Gondwana collided on a shear zone with a much steeper slope, leading some to the view that the two plates slid laterally past each other.
The region in color denotes a shear zone where the continent of Gondwana slid atop proto - North America 300 million years ago.
«So our preferred explanation for this continuous layer is that we're seeing mineral alignment on the shear zone between these two plates.»
The presence of this widespread, gently sloped shear zone paints a new picture of the final stages of the collision between the two continents.
Large flake graphite showings located on the property were confirmed with flake size in the range of 0.5 to 2 millimeters, typically present in shear zones at the contact of gneisses and marbles where the graphite content usually ranges from 2 % to 20 %.

Not exact matches

Rotary shear experiments reveal the frictional properties of clay - rich material recovered directly from the fault zone.
If a researcher extracts a one - inch sample of rock from the fault zone located inside a single plate and subjects it to compression and shearing forces in a laboratory until it slips, it will behave in much the same way that rocks in the ground do.
Tropical cyclogenesis depends upon low - level vorticity as one of its six requirements, and the ITCZ fills this role as it is a zone of wind change and speed, otherwise known as horizontal wind shear.
There are zones where deep water is pumped up by Ekman wind shear.
I understand the Atlantic hurricanes are born if a) sea surface temp exceeds 27 deg in a rather thick layer; b) there is little wind shear and c) there is a suitable seminal thunderstorm cluster moving westward in the Intertropical Convection Zone (ITCZ) over the equatorial Atlantic.
a b c d e f g h i j k l m n o p q r s t u v w x y z