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. Note that diagenesis and weathering are also a changes in form that occur in rocks.
This will prevent you from breathing in fiberglass fibers. Refrain from scratching your fiberglass itch. Scratching or rubbing will force the fiberglass deeper into your skin, rather than getting it out. Take a cold shower immediately after working with fiberglass.The cold water will help keep your pores closed so that the fibers don't get deeper into your skin.It will also wash off the larger pieces of fiberglass. Take a hot shower or bath following your cold shower. The warm water will open your pores, allowing any remaining fiberglass to work its way out.he cold water will help keep your pores closed so that the fibers don't get deeper into your skin. It will also wash off the larger pieces of fiberglass. Take a hot shower or bath following your cold shower. The warm water will open your pores, allowing any remaining fiberglass to work its way out.
Soap It Away. Apply a mild liquid soap to the stained area of the fiberglass with a sponge or soft cloth. A thick liquid soap such as Castile works well on shower walls. Leave the soap on the stain for 15 minutes, or up to an hour for a tough stain.When you return, rub the soap over the stain in a circular motion before rinsing.inse the soap away thoroughly with warm water. If any sign of the stain remains, repeat the procedure or try the next method. Mix baking soda with a small amount of water, such as 1 tablespoon of baking soda to 1 teaspoon of water, to create a thick paste.