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How can you tell that sandstone is older than a basalt layer?
If the sandstone is below the basalt layer, it is older. Though caution is advised, to make sure it is really a basalt layer and not an intrusion of gabbro. Other indicators that the sandstone is older is evidence of alteration to the sandstone where the two meet (called a "baked contact") and pieces of sandstone being found in the the basalt.
How can you tell that the sandstone was not deposited on top of basalt layers?
The sandstone layer is older than the basalt. The older rock cannot be on top of the younger rock. The sandstone and the basalt (or basalt dike) are both deposited at the same depth.
Which do you think will weather at a faster rate sandstone or grantie?
Sandstone typically weathers at a faster rate compared to granite due to its softer and more porous nature. Sandstone is more susceptible to erosion from wind, water, and other environmental factors, leading to quicker deterioration over time. Granite is a much harder and more resistant rock that is better able to withstand weathering processes.
Does sandstone weather faster than granite?
Because granite forms instrusively. Under the ground so they cools slow and that's why they have large crystals. Basalt froms extrusivelt. They cools so fast and that's why they have small crystals than granite
Why are the crystals in pillow basalt smaller than the crystals in basalt that forms in the ground?
Pillow basalt is formed from solidifying lava which erupts under the surface of a body of water. Because of this, it cools much faster, allowing less time for crystal growth.
How can you tell that sandstone is older than a basalt layer?
If the sandstone is below the basalt layer, it is older. Though caution is advised, to make sure it is really a basalt layer and not an intrusion of gabbro. Other indicators that the sandstone is older is evidence of alteration to the sandstone where the two meet (called a "baked contact") and pieces of sandstone being found in the the basalt.
How can you tell that the sandstone was not deposited on top of basalt layers?
The sandstone layer is older than the basalt. The older rock cannot be on top of the younger rock. The sandstone and the basalt (or basalt dike) are both deposited at the same depth.
How can you tell that the sandstone was not deposited on top of the basalt?
The sandstone layer is older than the basalt. The older rock cannot be on top of the younger rock. The sandstone and the basalt (or basalt dike) are both deposited at the same depth.
Which do you think will weather at a faster rate sandstone or grantie?
Sandstone typically weathers at a faster rate compared to granite due to its softer and more porous nature. Sandstone is more susceptible to erosion from wind, water, and other environmental factors, leading to quicker deterioration over time. Granite is a much harder and more resistant rock that is better able to withstand weathering processes.
Does basalt or rhyolite flow faster?
Basaltic lava flows much faster than ryholitic lava.
Why does basalt heat faster than water?
coz ya mum said so!
What specific solid does sound travel through the fastest?
The denser the faster. ie: it will travel faster through quartz than sandstone.
Does sandstone weather faster than granite?
Because granite forms instrusively. Under the ground so they cools slow and that's why they have large crystals. Basalt froms extrusivelt. They cools so fast and that's why they have small crystals than granite
What type of igneous rock cools faster?
Rocks with smaller crystal sizes tend to cool faster as they have less time for crystals to grow before solidifying. Therefore, fine-grained igneous rocks like basalt or rhyolite typically cool faster than coarse-grained rocks like granite.
Why are the crystals in pillow basalt smaller than the crystals in basalt that forms in the ground?
Pillow basalt is formed from solidifying lava which erupts under the surface of a body of water. Because of this, it cools much faster, allowing less time for crystal growth.
Is basalt older than sandstone?
== == Some basalts may be older than some sandstones, but ages of sandstones and basalts vary tremendously. Some sandstones are therefore older than some basalts. Oceanic basalts are rarely over 200 million years in age.
Why do smaller rocks weather faster than big rocks?
Small particles weather faster than larger particles because they have a smaller surface area. For example, pebbles weather faster than boulders because the have less areas to cover.
