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.
Following are some of the most common attributes of pain in the left rib cage area: 1  Heartburn or acid reflux-This is a common cause of pain in the left side of the ribs. 2  This may be triggered as a result because of over-consumption of acidic foods or drinks that generally cause heartburn. Costochondritis-This is a condition that results from an infection of cartilages that bond the ribs with the breastbone. 2  This can be the result of a forceful impact of the shoulder and rib cage area or caused by a viral infection. 3  Unbearable pain is experienced near the breastbone as the patient breaths heavily.