What do you call rocks that form when flowing lava solidifies?
singleAnswer
magmatic igneous
Lava Volcanic rock
What do you call rocks that form when flowing lava solidifies?
Lava Volcanic rock Magma Volcanology of Mars Volcanism Sill (geology) Corium (nuclear reactor) Cave Lava tube Lava dome
Lava is molten <b>rock</b> generated by geothermal energy and expelled through 
fractures in ... When it has stopped moving, <b>lava solidifies</b> to <b>form</b> igneous <b>rock</b>. ... 
water, lava <b>can flow</b> great distances before cooling and solidifying because of its 
... a mixture of volcanic ash and other fragments <b>called</b> tephra, rather than lava 
<b>flows</b>. Volcanic <b>rock</b> is a <b>rock formed</b> from <b>lava</b> erupted from a volcano. In other words, it 
differs from ... <b>You can</b> help by adding to it. (May 2011) ... The sub-family of <b>rocks</b> 
<b>that form</b> from volcanic <b>lava are called</b> igneous volcanic <b>rocks</b> (to ... that part of 
the viscous semi-crystalline <b>lava flow</b> that was still liquid at the moment of 
eruption. Magma is the molten or semi-molten natural material from which all igneous 
<b>rocks are formed</b>. ... Magma that is high in silica resists <b>flowing</b>, so expanding 
gases <b>are</b> trapped in ... a volcanic eruption the magma that leaves the 
underground is <b>called lava</b>. ... By using this site, <b>you</b> agree to the Terms of Use 
and Privacy Policy. <b>Lava flows can form</b> a <b>lava</b> tube when the exposed upper layers of <b>lava</b> cool and 
<b>solidify</b> to <b>form</b> a roof while the <b>lava</b> underneath continues <b>flowing</b>. Often, when&nbsp;... Volcanism is the phenomenon of eruption of molten <b>rock</b> (magma) onto the 
surface of the Earth or a solid-surface planet or moon, where <b>lava</b>, pyroclastics 
and volcanic gases erupt through a break in the surface <b>called</b> a ... As magma 
cools the chemicals in the crystals <b>formed are</b> effectively removed from the main 
mix of the&nbsp;... In geology, a sill is a tabular sheet intrusion that has intruded between older 
layers of sedimentary <b>rock</b>, beds of volcanic <b>lava</b> or tuff, or along the direction of 
foliation in metamorphic <b>rock</b>. A sill is a concordant intrusive sheet, meaning that 
a sill <b>does</b> not cut across preexisting <b>rock</b> beds. ... Sills <b>can</b> be confused with 
<b>solidified lava flows</b>; however, there <b>are</b> several&nbsp;... Corium, also <b>called</b> fuel-containing material (FCM) or <b>lava</b>-like fuel-containing 
material (LFCM), ... A <b>solidified</b> mass of corium <b>can</b> remelt if its heat losses drop, 
by being covered ... Crust <b>can form</b> on the corium mass, acting as a thermal 
insulator and ... Some of the surfaces of the <b>lava flows</b> have started to show new 
uranium&nbsp;... A cave or cavern is a natural void in the ground, specifically a space large 
enough for a human to enter. Caves often <b>form</b> by the weathering of <b>rock</b> and 
often extend deep ... Caves <b>formed</b> at the same time as the surrounding <b>rock are</b> 
<b>called</b> primary caves. <b>Lava</b> tubes ... As <b>lava flows</b> downhill, its surface cools and 
<b>solidifies</b>. A <b>lava</b> tube is a natural conduit <b>formed</b> by <b>flowing lava</b> which moves beneath the 
hardened surface of a <b>lava flow</b>. Tubes <b>can</b> drain <b>lava</b> from a volcano during an 
eruption, or <b>can</b> be extinct, meaning the <b>lava flow</b> has ceased, and the <b>rock</b> has 
cooled ... <b>Called</b> pāhoehoe <b>flows</b>, these areas of surface-moving <b>lava</b> cool, 
forming&nbsp;... In volcanology, a <b>lava</b> dome is a circular mound-shaped protrusion resulting from 
the slow extrusion of viscous <b>lava</b> from a volcano. Dome-building eruptions <b>are</b>&nbsp;...
lava
Lava