eroded volcanic lava, shattered into the sea making sand. basalt with gas creates fountains of lava, steep pile of cinders and bombs, small half mile across, stage 1 capable of 1 week long eruption, stage 2 gas runs out, lava flows out of base. [no gas]. examples mammoth & mono lake.
The most common causes of rib cage pain are a pulled muscle or bruised ribs. Other causes of rib cage pain are: 1  broken ribs. 2  injuries to the chest. 3  rib fracture. 4  diseases that affect the bones, such as osteoporosis. 5  inflamed lining of the lungs. 6  muscle spasms. 7  inflamed rib cartilage.
Pain in Left Side Under Rib Cage: Cause and Treatment Pain in Left Side Under Rib Cage: Cause and Treatment The rib cage, also known as thoracic cavity, is an area that is most prone to accidents, and exposed to injury. It surrounds the chest muscles by supporting the shoulder girdle.