-prolonged copper deficiency results in anemia -Copper deficiency= Decrease of WBC, decrease in skin and hair pigmentation, mental retardation might also occur in children -Foods rich in Copper= crab oysters, liver, nuts, seeds, cocoa Zinc
Mauna Kea, HawaiÊ»i, a shield volcano on the Big Island of Hawaii. A shield volcano is a type of volcano usually built almost entirely of fluid magma flows. They are named for their large size and low profile, resembling a warrior's shield lying on the ground.This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from stratovolcanoes.hield volcanoes are distinguished from the three other major volcanic archetypesâ stratovolcanoes, lava domes, and cinder cones âby their structural form, a consequence of their unique magmatic composition.
This type of volcano can be hundreds of miles across and 10,000 feet high. A shield volcano is characterized by gentle upper slopes (about 5 degrees) with somewhat steeper lower slopes (about 10 degrees). The shield volcanoes are almost entirely composed of relatively thin lava flows built up over a central vent.here are two stratovolcanoes, one shield volcano, and one volcano that appears to be formed from overlapping stratovolcanoes. View image with volcano types identified in the Volcanoes Featured Data section. This image was taken by an astronaut of the Expedition 25 crew from the International Space Station.