Regional metamorphism usually produces foliated rocks such as gneiss and schist. Dynamic Metamorphism also occurs because of mountain-building. These huge forces of heat and pressure cause the rocks to be bent, folded, crushed, flattened, and sheared. Metamorphic rocks are almost always harder than sedimentary rocks.
The median expected salary for an x ray technician in the United States is about $54,340 per year and an hourly wage is about $18 per hour.
While the salary of an x-ray tech depends on many factors like experience and x-ray tech training, there are certain industries that tend to pay more than others. The most lucrative industries for x-ray technicians according to the BLS, in 2009 are:1  Scientific Research and Development Services: $64,800.ccording to the BLS, the five states with the highest x-ray technician salaries in 2009 were: 1  Massachusetts: $68,530. 2  Nevada: $66,420. 3  Maryland: $65,820. 4  Hawaii: $63,470.