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The hotter of the two types of basaltic lava, known as "pahoehoe," typically forms smooth, ropy surfaces as it flows. This type of lava has a lower viscosity and can travel over greater distances. In contrast, the cooler type, called "aa," is thicker and more viscous, resulting in a rough, jagged surface. The temperature difference between these two types influences their flow characteristics and the landscape they create.
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What type of lava comes from what volcano?
Shield volcanoes will erupt basaltic lava. Cinder cones erupt basaltic lava or basaltic andesite lava. Stratovolcanoes often erupt andesite lava, but may erupt basaltic or rhyolitic lava and all intermediate types as well.
Where do most rocks have basaltic composition?
Most rocks with basaltic composition are found in volcanic regions, such as volcanic islands and mid-oceanic ridges. They are also commonly found in continental flood basalt provinces, which are large expanses of basaltic lava flows that cover extensive areas of land. Basaltic rocks can sometimes be found in other settings as well, such as in certain types of metamorphic rocks.
What are the three types of lava flows associated with basaltic lava?
basaltic lava can form a'a, pahoehoe, or pillow lava.
What are types of rocks and minerals found in the island of Hawaii?
Hawaii is formed primarily of basaltic rocks, including basalt and other volcanic rocks. Minerals commonly found in these rocks include olivine, feldspar, and pyroxene. The unique geology of Hawaii also gives rise to minerals such as peridot, a gemstone found in basaltic lava rocks.
Is pahoehoe fast or slow?
Pahoehoe is hotter than other lavas. It is basaltic lava, which is hotter than the other compositional varieties found on earth today. It is also generally hotter than a'a, another common variety of basaltic lava.
What type of lava comes from what volcano?
Shield volcanoes will erupt basaltic lava. Cinder cones erupt basaltic lava or basaltic andesite lava. Stratovolcanoes often erupt andesite lava, but may erupt basaltic or rhyolitic lava and all intermediate types as well.
This type of magma is dark in color?
This type of magma is called basaltic magma. It has a lower silica content, which gives it a darker color compared to other types of magma. Basaltic magma is commonly associated with volcanic activity at divergent plate boundaries.
Where do most rocks have basaltic composition?
Most rocks with basaltic composition are found in volcanic regions, such as volcanic islands and mid-oceanic ridges. They are also commonly found in continental flood basalt provinces, which are large expanses of basaltic lava flows that cover extensive areas of land. Basaltic rocks can sometimes be found in other settings as well, such as in certain types of metamorphic rocks.
What are the three types of lava flows associated with basaltic lava?
basaltic lava can form a'a, pahoehoe, or pillow lava.
What are types of rocks and minerals found in the island of Hawaii?
Hawaii is formed primarily of basaltic rocks, including basalt and other volcanic rocks. Minerals commonly found in these rocks include olivine, feldspar, and pyroxene. The unique geology of Hawaii also gives rise to minerals such as peridot, a gemstone found in basaltic lava rocks.
What are three different types of lava?
Basaltic, andesitic and rhyolitic
What list places the magma What list places the magma types in order of decreasing?
basaltic,andesitic,rhyolitic
Is pahoehoe fast or slow?
Pahoehoe is hotter than other lavas. It is basaltic lava, which is hotter than the other compositional varieties found on earth today. It is also generally hotter than a'a, another common variety of basaltic lava.
Which type of magma is produced at the Coolest temperature?
Basaltic magma is produced at the coolest temperatures because it has a lower silica content and therefore has a lower melting point compared to other types of magma. This type of magma typically erupts quietly and forms basaltic rock, such as the kind found at mid-ocean ridges.
Are basaltic lavas a pahoehoe lava?
Basaltic lavas can be either pahoehoe or a'a lava types. Pahoehoe lavas have smooth, rope-like textures, while a'a lavas are rough and jagged. The type of lava formed depends on various factors such as temperature, composition, and viscosity.
Does basaltic magma have a lot of silica or very little?
Basaltic magma is low in silica compared to andesitic or granitic magma.
What are the four types of lava that form at hot spots and their characteristics?
Aa is lava that forms a thick ,brittle crust . Pahoehoe is a lava that forms a thin crust. Pillow lava forms when lava erupts underwater. Blocky lava is kool, stiff lava that does not travel far from thr eruption site.
