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What type of rock was there in the Jurassic?
In the Jurassic period, there was a variety of rocks present, including sandstones, shales, limestones, and igneous rocks. These rocks formed from processes such as sedimentation, volcanic activity, and tectonic movements, and they can provide valuable information about the environment and geography of the time.
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.
Differences between aeolian marine and lacustrine sandstones?
Aeolian sandstones are formed by wind deposition in arid environments, typically showing cross-bedding and poor sorting. Marine sandstones form in coastal or marine environments, showing ripple marks, fossils, and better sorting. Lacustrine sandstones form in freshwater lake environments, often displaying mudcracks and plant fossils.
Where is biotite most commonly found?
Biotite is most commonly found in igneous and metamorphic rocks. It can be found in granite, schist, and gneiss, among other rock types. Biotite is also often present in some sedimentary rocks, such as some sandstones.
What gives the rocks of Red Rock their color?
The rocks of Red Rock get their color from iron oxide, specifically hematite, which gives them the characteristic red hue. Additionally, other minerals such as feldspar and quartz contribute to the diverse color variations found in the rocks.
What type of rock is used to build hawa mahal?
red and pink sandstones
Can sandstones be red?
Yes!sandstones can be red by all the red sands that have been blown on it or it can be painted carefully.
What type of rocks are found in Japan?
Igneous Rocks, Sedimentary Rocks, SandStones, Cherts, and limestone.
What are some eExamples of sedementary rocks?
sandstones, shale
What type of rock is a ripple mark?
A ripple mark is not a kind of rock in and of itself, but a feature found in some sedimentary rocks, usually sandstones.
What type of rocks are shown on the Grand Canyon?
The Grand Canyon displays sandstones, limestones, granite, shales, basalts, andesites, and quartzites. Metamorphic, sedimentary, and igneous rocks are all present.
What are Terrigenous clastic rocks?
conglomerate, sandstones, siltstone, mudstone and shale.
What type of rock is Siccar Point?
Silurian greywackes below the unconformity, Devonian red conglomerates/breccias and sandstones above.
What are rocks through which petroleum and gas can move?
They move most easily through sandstones.
What type of rocks are they if they are red?
garnets
Are sedimentary rocks made in water?
Sedimentary rocks are usually formed in water, but not always. Some sandstones, for example, form in deserts.
What are rocks called when they are formed by sand rocks and shells?
Rocks formed from sand, rocks, and shells are known as sedimentary rocks. Sandstones, mudstones, and limestone are common examples of sedimentary rocks that can be formed from these materials.
