Volcanoes are classified according to their size, shape, type of activity, type of eruption, type and amount of gases and lava emitted, and location in relation to tectonic plate boundaries scientists have developed four basic categories of volcanoes: cones, shields, composite and domes. A shield volcano is considered the third type of volcano, which is created because of the flow of fluid lava these types of volcanoes got their name from their massive size and low profile the shape of this volcano resembles the shield of a warrior. Shield volcanoes form very large, gently sloped mounds from effusive eruptions cinder cones are the smallest volcanoes and result from accumulation of many small fragments of ejected material an explosive eruption may create a caldera, a large hole into which the mountain collapses. Composite volcano • composite volcanoes often form the largest dangerous of the types of volcanoes a famous composite volcano is mt saint helens in washington state in 1980, it erupted destroying most of the life around it and sending ash across much of the western united.
This booklet presents a generalized summary of the nature, workings, products, and hazards of the common types of volcanoes around the world, along with a brief introduction to the techniques of volcano monitoring and research. An analysis of different types of volcano and its role in earth 446 words 1 page a discussion of the types, formation and elements of volcanoes 1,289 words 3 pages an overview of volcanoes 413 words 1 page volcanoes: the formation, volcanic materials and types of eruption 2,176 words an introduction to the volcanoes and volcanic. Hawaiian eruption in a hawaiian eruption, fluid lava is ejected from a vent as fire fountains or lava flows the 1969 eruption at mauna ulu, a vent of kilauea volcano in hawaii, was a spectacular example of fire fountaining.
Volcanoes can also form where there is stretching and thinning of the crust's plates, eg, this describes just one of the many types of volcano the features of volcanoes are much more complicated and their structure and behavior depends on a number of factors. A volcano is a rupture in the crust of a planetary-mass object, such as earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface earth's volcanoes occur because its crust is broken into 17 major, rigid tectonic plates that float on a hotter, softer layer in its mantle therefore, on earth, volcanoes are generally found where tectonic plates are. The most common types of volcanoes, from largest to smallest, are the shield volcano, composite volcano, and cinder cone a shield volcano is a very large, broad, and low profile volcano consisting of layers of basaltic rocks. A deﬁnition of composite volcanoes surprisingly, the deﬁnition of a composite volcano is table ii summary of morphological types among composiite volcanoes initially, a pristine volcano will form a pure conical form) composite volcanoes.
The three main types of volcanoes are cinder cone, shield volcano and stratovolcano a cinder cone is the most common also known as scoria cones, they are usually small and made of volcanic fragments from previous eruptions, called cinders or scoria. The lesson shows external and internal structure of a volcano an optional cross section view is provided all key elements are labeled. - volcanoes this paper will define and discuss the volcano to include: types of volcanoes, formation of a volcano, and elements of a volcano such as, lava, rock fragments, and gas this paper also tells a little bit about volcanic activity in different parts of the world. Sorting activity- steps of volcano formation this website and its content is subject to our terms and conditions. The main features of a volcano include a vent, a summit crater and a magma chamber the vent is an opening through which volcanic material is erupted volcanoes can have more than one vent the summit crater is the large concave opening that holds the central vent at the top of the volcano the.
1 introduction to volcanoes, volcanic eruptions, and volcanic landforms what mainly controls eruptive style • gas content of magma • viscosity of magma. The familiar cone-shape of many volcanoes are an indication of this, the point at which ash, rock and lava ejected during an eruption fall back to earth around the vent to form a protrusion throat. Volcano: volcano, vent in the crust of the earth or another planet or satellite, from which issue eruptions of molten rock, hot rock fragments, and hot gases a volcanic eruption is an awesome display of the earth’s power yet while eruptions are spectacular to watch, they can cause disastrous loss of life. This volcano on the island of sicily is the tallest active volcano in europe, at 10,922ft (3,329m) high it is one of the most active volcanoes in the world, and is almost continuously erupting mt tambora.
General volcano agent - this person will find info about the 3 types of volcanoes, and the different ways in which they form text to describe this, along with graphics and/or pictures are needed text to describe this, along with graphics and/or pictures are needed. A shield volcano is a wide volcano with shallowly-sloping sides shield volcanoes are formed by lava flows of low viscosity - lava that flows easily consequently, a volcanic mountain having a. Volcanoes form along the mid-ocean ridge, which marks a diverging plate boundary the mid ocean ridge is a long underwater rift valley that winds through the oceans along the ridge, lava pours out of cracks in the ocean floor.