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.
According 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. report from the American Society of Radiologic Technologist (ASRT) says that the average salary for all radiologic technologists was $61,733 in the U.S. in 2010.