Volcanoes and Volcanic Eruptions. Magmas and Lava. Since volcanic eruptions are caused by magma (a mixture of liquid rock, crystals, and dissolved gas) expelled onto the Earth's surface, we'll first review the characteristics of magma that we covered previously. Three basic types of magma: Mafic or Basaltic-- SiO2 45-55 wt%, high in Fe, Mg, Ca, low in K, Na.
EMEA: Europe, the Middle East and Africa, marked on a worldmap. EMEA (or EMEIA if India is included), is a shorthand designation meaning Europe, the Middle East and Africa. It is used by institutions, governments as well as in marketing and business. It is particularly common among North American companies. The region is generally accepted to include all European nations, all African Nations, and extends east to Iran, but including Russia. Typically this does not include independent overseas territories of mainland countries in the region, such as French Guyana.
India has seven neighbours: Pakistan in the north-west, China and Nepal in the north, Bhutan and Bangladesh in the north-east, Myanmar in the east and Sri Lanka, an island, in the south. India is the largest democracy in the world by population. The capital of India is New Delhi.India is a peninsula, bound by the Indian Ocean in the south, the Arabian Sea on the west and Bay of Bengal in the east. The coastline of India is of about 7,517 km (4,671 mi) long.India has the third largest army in the world and nuclear weapons.India gets its name from the Greek word, Indus.ndia is a peninsula, bound by the Indian Ocean in the south, the Arabian Sea on the west and Bay of Bengal in the east. The coastline of India is of about 7,517 km (4,671 mi) long. India has the third largest army in the world and nuclear weapons. India gets its name from the Greek word, Indus.