In geology, "'druse "'refers to a coating of fine crystals on a rock fracture surface, vein or within a vug or geode.
12.
Opponents of the tests have warned that potentially harmful radioisotopes, especially caesium-137, strontium-90, and plutonium isotopes, will leach from rocks fractured by the blasts.
13.
At first the injuries seem minor, but it turns out the rock fractured his spine, and when the doctor arrives he declares Jean dead.
14.
For solid-earth sciences, these are mainly solid mechanics, including rock mechanics, fracture mechanics and general tectonophysics, and fluid mechanics, including fluid transport in rock fractures.
15.
As the rock fractured and the two sides moved against each other, cavities were created, partly filled with broken rock ( fault breccia and fault gouge ).
16.
The region of the two faults also give rise to intrusive lavas through rock fractures, and the region is the southeast section of the Uinkaret volcanic field.
17.
Rock fracture in periglacial regions ( alpine, subpolar and polar ) has often been attributed to the freezing and volumetric expansion of water trapped within pores and cracks.
18.
When this happens the rock fractures in a plane parallel to the maximum principal stress and perpendicular to the minimum principal stress ( the direction in which the rock is being stretched ).
19.
And this summer the company said it would have to abandon the mine because a series of volcanic sills lying above the coal seams had created rock fractures and flooding that made it too dangerous.
20.
The land surrounding New Idria Mercury Mine currently has an emissions flux of 9.2 ng Hg / m2h, possibly lower than expected due to the amount of mercury confined to rock fractures and unit boundaries.
