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How do rocks change colors?
by weathering ************ Igneous rock is initially formed when lava cools down. After which weathering would begin.
Lava is an example of what kind of rock?
Lava flows in Hawaii are an example of Mafic Lava. Mafic Lava is composed of Basaltic rocks of which tend to have high levels of iron and magnesium.
Mount St Helens lava composition?
After the eruption, with no ground cover, erosion (both wind and rain) was the main weathering agent. Most weathering is time dependent, more time, more weathering. Exposure to strong sunlight can also act as a weathering agent. Most of what could be weathered was ash and deadwood.
One example of an extrusion is a?
lava plateaun
What is an non example of lava?
Soil,sand,and mud
Why are there no fossils in a intrusion?
If you mean an intrusion via magma/lava, then fossils would not exist due to the fact that most fossils are found in SEDIMENTARY rock, not IGNEOUS (magma/lava rocks).
How do rocks change colors?
by weathering ************ Igneous rock is initially formed when lava cools down. After which weathering would begin.
What are the 3 geological processes?
melting lava-weathering-heat and pressure
How many caves are formed by erosin?
All except lava-tubes, which result from lava draining from under the solidified crust of a lava flow. Most are in limestone, soluble in water acidified by carbon-dioxide from the atmosphere (chemical weathering).
What is a example of magma?
Lava
This massive underground lava upwelling is sometimes called an igneous what?
When magma below the earth's surface penetrates the crust but does not break the surface, it is called an igneous intrusion.
Lava is an example of what kind of rock?
Lava flows in Hawaii are an example of Mafic Lava. Mafic Lava is composed of Basaltic rocks of which tend to have high levels of iron and magnesium.
How is a cave?
Caves can form in a variety of ways, but most caves are dissolutional and are initially formed by chemical weathering of surface rock, usually limestone, by carbonic acid contained in rainwater. As chemical weathering continues, mechanical weathering joins in the fun to further attack and widen joints and fissures in what is usually soluble sedimentary rock, like limestone.Some other types of caves are formed by percolating sulfuric acid, flowing lava, flowing water in glaciers, wave action, and particle abrasion.
Mount St Helens lava composition?
After the eruption, with no ground cover, erosion (both wind and rain) was the main weathering agent. Most weathering is time dependent, more time, more weathering. Exposure to strong sunlight can also act as a weathering agent. Most of what could be weathered was ash and deadwood.
Is a lava lamp an example of convection?
yes
One example of an extrusion is a?
lava plateaun
What two processes are all landforms subject to?
is it: a.erosion and weathering b.subduction and deduction c.continental drift and earthquakes d.magma and lava
