RING IF FIRE:
is a ring of volcanoes around the Pacific Ocean that result from subduction of oceanic plates beneath lighter continental plates.
is a ring of volcanoes around the Pacific Ocean that result from subduction of oceanic plates beneath lighter continental plates.
LAVA:
hot molten or semifluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this.Origin
hot molten or semifluid rock erupted from a volcano or fissure, or solid rock resulting from cooling of this.Origin
MAGMA:
hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling.Origin
hot fluid or semifluid material below or within the earth's crust from which lava and other igneous rock is formed by cooling.Origin
VISCOSITY:
the state of being thick, sticky, and semifluid in consistency, due to internal friction.
the state of being thick, sticky, and semifluid in consistency, due to internal friction.
SILCA CONTENT:
silca is silcon dioxide, a compound of silcon which is found in sand,quartz,and flint,and which is used to make glass.
silca is silcon dioxide, a compound of silcon which is found in sand,quartz,and flint,and which is used to make glass.