Basalt (UK: / ˈ b æ s ɒ l t,-ɔː l t,-əl t /; [1] [2] US: / b ə ˈ s ɔː l t, ˈ b eɪ s ɔː l t /) [3] is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon.More than 90% of all volcanic rock on Earth is basalt. Rapid-cooling, fine ...

BASALT翻译：玄武岩。了解更多。 The basalts have distinctive petrographic characteristics such as rounded and skeletal olivine phenocrysts with abundant melt inclusions, implying the mixing of two distinct magmas.

2025年3月8日 · Basalt, extrusive igneous (volcanic) rock that is low in silica content, dark in color, and comparatively rich in iron and magnesium. Basalts may be broadly classified on a chemical and petrographic basis into two main groups: the tholeiitic and the alkali basalts. Learn more about basalt in this article.

A bazalt magmás, azon belül a kiömlési vulkanikus kőzetek közé tartozik, színe a szürkétől a feketéig terjed. A bazaltok (nefelinbazalt, trachitbazalt, leucitbazalt) 54%-nál kevesebb SiO 2-ot tartalmaznak, típusainak elkülönítése a pontos szilíciumtartalomtól függ.

Bazalt was founded in 1916. Over its history, the company created 700 models of ammunition for military use. Bazalt is one of the leading designers and developers of many variants of aircraft bombs, anti-tank and anti-saboteur marine grenade launcher complexes, mortar shells of many variants, and calibers and other kinds of ammunition.

Čedič. Čedič neboli bazalt (starší, paleozoické bazalty se nesprávně nazývají diabas [2] nebo melafyr [3]) je velice četná tmavá výlevná vyvřelá hornina s charakteristickou porfyrickou nebo sklovitou strukturou, někdy s vyrostlicemi jednotlivých minerálů. Vyskytuje se však i ve formě škváry, bez viditelných krystalů.Obvykle má šedou či černou barvu, zvětralý ...

The P-500 Bazalt (Russian: П-500 «Базальт»; English: basalt) is a turbojet-powered, supersonic cruise missile used by the Soviet and Russian navies. Its GRAU designation is 4K80 [ 2 ] and its NATO reporting name is SS-N-12 Sandbox , its upgraded version being the P …

Bazalt Bazalt u Islandu. Bazalt je vrlo česta siva do crna bazična ekstruzivna magmatska stijena.Obično je finozrnata zbog brzog hlađenja lave, koja izbija na Zemljinu površinu.Najčešće ima porfirnu strukturu, što znači da sadrži veće kristale u finoj matrici, te vezikularnu, fluidalnu ili mandulastu teksturu. Bazalt koji nije bio izvrgnut trošenju, crne je ili sive boje.

About us. Azerbazalt LLC was founded on December 29, 2019 and is driven by three values: ambition, innovation and partnership.

玄武岩设计局（俄语： НПО «Базальт» ，英语：NPO Bazalt）是俄罗斯的国有国防工业公司，是多种航空炸弹、反坦克和反破坏者海洋榴弹发射器综合体、多种迫击炮弹以及口径和其他类型弹药的领先设计者和开发商之一，目前隶属于俄罗斯国家科技集团。 以研发“手持式反坦克榴弹发射器 ...