Benefits of a Mentor. Months after landing a job at a Minneapolis-based public-relations firm, Tameka Davis was still looking for guidance on how to excel at the company and eventually move up the ladder. So she signed up for her employer's mentoring program. The now-26-year-old was taken under the wing of an older co-worker for a year, and the benefits were...
The definition of metamorphic is characterized or formed by changing. An example of something metamorphic is a caterpillar turning into a butterfly; a metamorphic animal. metamorphic. metamorphic.
Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means change in form. The original rock (protolith) is subjected to heat (temperatures greater than 150 to 200 Â°C) and pressure (1500 bars), causing profound physical and/or chemical change.The protolith may be a sedimentary rock, an igneous rock or another older metamorphic rock.etasomatism is the drastic change in the bulk chemical composition of a rock that often occurs during the processes of metamorphism. It is due to the introduction of chemicals from other surrounding rocks. Water may transport these chemicals rapidly over great distances.