alb3843533

Hornblende Gabbro, Massachusetts

Gabbro is a coarse grained, equigranular igneous rock composed mainly of plagioclase feldspar (labradorite or bytownite) and orthoclase, a pyroxene such as augite, sometimes also nepheline and olivine, and a large percentage of hornblende (in hornblende gabbro). Rocks of this type are sometimes known as essexite. Gabbro forms as a result of the slow and undisturbed cooling of magma (molten rock) deep underground.

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Título: Hornblende Gabbro, Massachusetts

Descripción: Ver traducción automática
Gabbro is a coarse grained, equigranular igneous rock composed mainly of plagioclase feldspar (labradorite or bytownite) and orthoclase, a pyroxene such as augite, sometimes also nepheline and olivine, and a large percentage of hornblende (in hornblende gabbro). Rocks of this type are sometimes known as essexite. Gabbro forms as a result of the slow and undisturbed cooling of magma (molten rock) deep underground.

Crédito: Album / Science Source / JOEL AREM

Autorizaciones: ? Cesión de modelo: No - ? Cesión de propiedad: No
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Tamaño imagen: 3841 × 2550 px | 28.0 MB

Tamaño impresión: 32.5 × 21.6 cm | 1512.2 × 1003.9 in (300 dpi)

Palabras clave: COLECCION • CUELLO • FUNCION • GEOLOGIA • GEOLOGICO • HISTORIA • IGNEO • MASSACHUSETTS • MINERALOGIA • MUESTRA • PROPIEDADES • SALEM • TAMAÑO