San Andreas Lake (from which the fault takes its name) is a ``sag pond'' that naturally formed in the valley of the San Andreas fault. Strike slip faults are good places for lakes; the fault both creates a low spot to collect the water, and grinds up the rock underneath making an impermeable layer to hold the water in.
In addition to providing us with shape and support for our skeleton, minerals are the âspark of life.â Minerals are essential in the diet and each plays unique and often multi-factorial roles as they act at all levels of the body â cells, tissues, organs, and the whole organism.
What is calcium and what does it do? Calcium is a mineral found in many foods. The body needs calcium to maintain strong bones and to carry out many important functions. Almost all calcium is stored in bones and teeth, where it supports their structure and hardness. The body also needs calcium for muscles to move and for nerves to carry messages between the brain and every body part.