The original rock that has undergone metamorphism is called the protolith. Protolith can be any type of rock and sometimes the changes in texture and mineralogy are so dramatic that is difficult to distinguish what the protolith was. 1  Note that diagenesis and weathering are also a changes in form that occur in rocks.
Industrial Emergency Services, LLC is an industry leader in providing emergency preparedness, response and related safety services.mergency Services Leader. Industrial Emergency Services, LLC is an industry leader in providing emergency preparedness, response and related safety services. We have been working with our customers to protect their people and property for over 13 years in the United States and abroad.
Differential response is one of three key areas targeted by California for improving child welfare services statewide. By applying the Breakthrough Series Collaborative (BSC) method to Californiaâs implementation of differential response, the California Department of Social Services (CDSS) and its partners hoped to learn more about innovative practices that have the potential to improve outcomes for children and families. The BSC on differential response served as a successful laboratory for change. The practice changes that emerged provide a solid foundation for implementing and institutionalizing differential response in California. Full implementation of differential response is, of course, a long-term