Shigowa. Babban rarrabuwa

Volcanoes kira wani tudu, ware a kan tashoshi da kuma fasa a cikin ƙasa ta ɓawon burodi, wanda aka nuna a farfajiya na cikin zurfin magma bẽnãye shigowa kayayyakin. Bã su da siffar wani mazugi tare da wani bakin dutse a saman. Bakin mai aman wuta - mai tashar cewa haɗu da cibiyar da ƙasa.

Products, wanda zo a kan Duniya ta surface, sauye a size da kuma abun da ke ciki. Bugu da ƙari, shigowa iya daukar wuri tare da daban-daban tsanani da kuma duration. A ra'ayi na wadannan halaye da aka sanya mafi kowa iri rarrabuwa aiki. Ya kamata a lura da cewa daya shigowa iya daukar daya ko sauran hali.

Plinian irin mai suna bayan Pliny da Dattijon. Roman masanin mutu a lokacin da shigowa na Mount Vesuvius a 79 AD. e. Plinian irin ne na musamman tsanani. Shigowa a lokaci guda tare da sakin babban adadin ash zuwa tsawo na game da ashirin zuwa hamsin kilomita, da kuma iya wuce 'yan sa'o'i ko wani lokaci ma a kwanaki. watsi kayayyakin an rarraba kan wani babban yanki, kuma su girma ne daga 0.1 zuwa 50, kuma mafi cubic kilomita. Shigowa na Plinian irin na iya haifar da rushewar da tudu da samuwar na caldera. A wasu lokuta, iskar girgije an kafa, amma lawa gudana faruwa ba ko da yaushe. A irin wannan aman wuta ya barke St Heles (US) a 1980.

Peleysky irin halin gaban danko sosai lawa. Yana ƙarfafa don ya haifar, game da shi, kafa daya ko fiye extrusive domes. Saboda haka ya barke aman wuta Pelée (a Martinique), a 1902.

Vulcan daban-daban irin short aiki. Cikinsa shigowa zai ɗauki wasu mintoci ko hours. Duk da haka, suna sabunta watanni da dama bayan da wani yawan kwanaki ko makonni. A eruptions halin gaban irin wannan ruwa magma kafa lawa gudana. Tsarin kafa daga pyroclastic abu da kuma lawa. A girma daga stratovolcanoes ne daga goma zuwa wani mutum ɗari cubic kilomita. Extrusive Dome kuma ash watsi lura ba ko da yaushe. Bisa ga Vulcan irin ta barke a Guatemala Fuego aman wuta.

Strombolian irin aka kira a cikin girmamawa ga Rum tsibirin na Stromboli. Domin irin wannan shigowa ne halin da m eruptive aiki ga 'yan watanni (wani lokacin shekaru). A wannan yanayin, da eruptive shafi wuya lẽƙãwa goma kilomita. Wasu eruptions samar cinder Cones. Sun kunshi basalt (yawanci) andesite ko (wuya) da slag. A Cones yawanci kafa a guda shigowa, yayin da su da kansu suna kira monogenic volcanoes.

Watsi da Hawaiian irin halin amfanin ƙasa na zubi lawa. Tandã ta zunubanku, kuma samu karaya iya isa daya, wani lokacin dubu biyu mita ba ga tsawo. Lokacin da akwai daya kawai nuna, lawa diverges radially. Kamar wancan kafa garkuwa elevations da sosai m gangara (har zuwa goma digiri). Irin wannan elevations suna kafa yadudduka da ba su ƙunshi ash. Garkuwa ne mafi girma aman wuta a duniya Manua Loa (Hawaii). Tsayinsa - 4103 m. Wannan tadawa yana da tsawon ɗari da ashirin, da kuma kamu hamsin kilomita. Kõguna na lawa yada shi a tsibirin yanki na fiye da biyar murabba'in kilomita miliyan. Na arba'in da dubu biyu da ɗari biyar cubic kilomita na girma fiye da tamanin da cent ne kasa teku matakin.

Akwai sauran iri eruptions. Duk da haka, da suka faru sosai da wuya. Alal misali, a submarine shigowa a shekarar 1965 a Iceland aman wuta Surtsey Island aka kafa.