Emesus
Homs ( , , , ; ar, حِمْص / ALA-LC: ; Levantine Arabic: / ''Ḥomṣ'' ), known in pre-Islamic Syria as Emesa ( ; grc, Ἔμεσα, Émesa), is a city in western Syria and the capital of the Homs Governorate. It is Metres above sea level, above sea level and is located north of Damascus. Located on the Orontes River, Homs is also the central link between the interior cities and the Mediterranean coast. Before the Syrian Civil War, Homs was a major industrial centre, and with a population of at least 652,609 people in 2004, it was the third-largest city in Syria after Aleppo to the north and the capital Damascus to the south. Its population reflects Syria's general religious diversity, composed of Sunni and Alawite Muslims, and Eastern Christianity, Christians. There are a number of historic mosques and churches in the city, and it is close to the Krak des Chevaliers castle, a World Heritage Site. Homs did not emerge into the historical record until the 1st century BCE a ...
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Basalt
Basalt (; ) is an aphanite, 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 planetary surface, surface of a terrestrial planet, rocky planet or natural satellite, moon. More than 90% of all volcanic rock on Earth is basalt. Rapid-cooling, fine-grained basalt is chemically equivalent to slow-cooling, coarse-grained gabbro. The eruption of basalt lava is observed by geologists at about 20 volcanoes per year. Basalt is also an important rock type on other planetary bodies in the Solar System. For example, the bulk of the plains of volcanism on Venus, Venus, which cover ~80% of the surface, are basaltic; the lunar mare, lunar maria are plains of flood-basaltic lava flows; and basalt is a common rock on the surface of Mars. Molten basalt lava has a low viscosity due to its relatively low silica content (between 45% and 52%), resulting in rapidly moving lava flo ...
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