Gabbro - Wikipedia
Gabbro is a coarse-grained igneous rock that is relatively low in silica and rich in iron, magnesium, and calcium. Such rock is described as mafic. Gabbro is composed of pyroxene (mostly clinopyroxene) and calcium-rich plagioclase, with minor amounts of hornblende, olivine, orthopyroxene and accessory minerals. [4]
Gabbro | Properties, Formation, Composition, Uses - Geology …
2023年9月4日 · The most common use of gabbro is like crushed stone or aggregate. The crushed gabbro is used as a basic material in construction projects, as a crushed stone for road construction, as a railway ballast and as a filler where a resistant crushed stone is needed.
Gabbro: Igneous Rock - Pictures, Definition & More - Geology.com
The most common use of gabbro is as a crushed stone or aggregate. Crushed gabbro is used as a base material in construction projects, as a crushed stone for road construction, as railroad ballast, and anywhere that a durable crushed stone is needed as fill.
Gabbro: Composition, Types, Properties, Uses – Geology In
Gabbro, a coarse-grained igneous rock, offers a variety of uses thanks to its strength, durability, and diverse properties. Here's a breakdown of its key applications: Construction and Infrastructure. Crushed stone: The most common use of gabbro is as crushed aggregate for roads, highways, and other construction projects. Its strength and ...
Gabbro: A Coarse-grained, Dark-Colored Plutonic Rock
2023年7月21日 · Crushed gabbro makes excellent quality aggregate for concrete, railroad ballast, road bases, fill, and other construction projects. You can also use it in unpaved walkways, driveways, or patios. Cut and polished to make dimensional stones for various uses, including flooring tiles, ashlars, facing stones, countertops, and paving.
What Is Gabbro and How to Crush It for Construction Uses?
2023年9月14日 · In the road construction industry, gabbro is widely used as concrete aggregate, gravel for road construction, railway ballast, and filler where durable gravel is needed. Small amounts of gabbro are sold in the dimension stone industry as Black Granite due to its black luster and polishing ability.
Gabbro - Igneous rocks - Sandatlas
Gabbro is a coarse-grained and usually dark-colored igneous rock. It is an intrusive rock. It means that it formed as magma cooled slowly in the crust. Igneous rocks with similar composition are basalt (extrusive equivalent of gabbro) and diabase (the same rock type could be named dolerite or microgabbro instead).
The effect of metamorphism on the aggregate properties of …
2022年4月28日 · By making up parts of crushed rock aggregates, they can improve or deteriorate the bulk aggregate functionality. Gabbroic rocks undergo pronounced changes of their main mineral assemblage during metamorphism—an important difference with respect to granitic rocks that are dominated by the recrystallization mode of the pre-existent minerals ...
Journal of Geophysical Research: Solid Earth
2021年3月29日 · Patchy gabbros are characterized by felsic patches (i), granular pyroxenes (j), or subophitic gabbros with large poikilitic clinopyroxenes (k–l) and subordinate leuco-granular domains. “Gabbro in gabbro” intrusive contacts are common in gabbros (m–o); those are sutured and locally overprinted by felsic melt migration (m and n).
(PDF) The effect of metamorphism on the aggregate properties of ...
2022年4月28日 · Even at high metamorphic temperatures, gabbroic rocks may yield aggregates of high technical performance. At hydrous conditions, however, recrystallization results in rock aggregates suitable...