alb3846225
Scoria, Klamath Falls, Oregon
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Título: Scoria, Klamath Falls, Oregon
Descripción: Ver traducción automática
Volcanic activity causes magma (molten rock) to be violently ejected at the earth's surface. If magma cools slowly, as in a lava flow, a dense rock known as basalt may be the result; if cooling is extremely rapid, a volcanic glass such as obsidian may result. Gas bubbles trapped in magma are released in the same way as the carbonation in soft drinks when a container is opened. An extreme example of this is scoria, a dark rock created by the rapid cooling of basaltic magma that is filled with expanding gas bubbles.
Volcanic activity causes magma (molten rock) to be violently ejected at the earth's surface. If magma cools slowly, as in a lava flow, a dense rock known as basalt may be the result; if cooling is extremely rapid, a volcanic glass such as obsidian may result. Gas bubbles trapped in magma are released in the same way as the carbonation in soft drinks when a container is opened. An extreme example of this is scoria, a dark rock created by the rapid cooling of basaltic magma that is filled with expanding gas bubbles.
Crédito: Album / Science Source / JOEL AREM
Autorizaciones: ? Cesión de modelo: No - ? Cesión de propiedad: No
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Tamaño imagen: 3800 × 2550 px | 27.7 MB
Tamaño impresión: 32.2 × 21.6 cm | 1496.1 × 1003.9 in (300 dpi)
