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Which observation best shows that limestone was formed from ocean sediments?
The presence of marine fossils within the limestone is the best observation that shows it was formed from ocean sediments. Marine fossils like shells, corals, or sea creatures preserved within the rock provide direct evidence of its marine origin. Additionally, the presence of ripple marks or cross-bedding in the limestone can also indicate its formation in a marine environment.
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.
Do all rocks form fossils?
No, fossils are actually very difficult to find. The majority of fossils found are marine invertebrates. They are usually found in sedimentary rock. However, there is plenty of sedimentary rock that contains no fossils at all.
How do fossils in sedimentary rock help interpret ancient environments?
the type of sedimentary rock determines when other layers in rocks formed and how they shifted. the properties of the species of time periods need certain environmental conditions. these conditions must be what types of environments ancient creatures lived in.
Which are the remains of species that existed on Earth for relatively short periods of time were abundant and were wide spread geographically?
Trilobites are an example of remains from a species that existed for relatively short periods of time, were abundant, and were geographically widespread. Trilobites lived from the Early Cambrian to the Late Permian period, spanning over 270 million years, and were diverse and numerous in marine environments worldwide. Their fossils are commonly found in rocks around the world.
What rock are most marine animal fossils in?
The most marine fossils are found in sedimentary rock
Why are marine fossils not found I found in the bedrock of mountains?
Marine fossils are typically not found in the bedrock of mountains because these fossils originate from organisms that lived in ocean environments. Over geological time, tectonic processes can uplift oceanic crust, but if a mountain was formed from continental crust or underwent significant erosion, the marine sediments may have been removed or altered. Additionally, if the area was never underwater, it would not have marine fossils. Thus, the presence of marine fossils in mountain bedrock is contingent upon past geological conditions that allowed for marine life to exist in that location.
How is possible for the remains of marine fossils to be found in the Alps?
The presence of marine fossils in the Alps is due to the process of plate tectonics. The Alps were formed when the African and Eurasian tectonic plates collided, pushing up the oceanic crust that originally contained marine fossils. This collision caused the rocks containing the fossils to be uplifted and exposed above sea level in the Alps.
What type of rock are marine fossils found in?
sedimentary
What accounts for the presence of marine fossils on mountaintops?
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What accounts for the presence of marine fossils of mountaintops?
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Why are there marine fossils high in the Andes Mountains?
Use Google and do your Biology homework elsewhere. There are marine fossils high in the Andes Mountains because of layer shifting (which relates to the Law of Superposition), which means that over time, the layers push the fossils upwards. So it all ties into Layer Shifting and how the fossils work.
What type of sediment would you most likely find fossils of marine life?
Near shore marine sediments.
What does it tell scientists if they find marine life fossils in an area where there is not any water?
It would tell anyone that the rocks which contain the fossils were marine sediments deposited in a sea or ocean below sea level.
Which observation best shows that limestone was formed from ocean sediments?
The presence of marine fossils within the limestone is the best observation that shows it was formed from ocean sediments. Marine fossils like shells, corals, or sea creatures preserved within the rock provide direct evidence of its marine origin. Additionally, the presence of ripple marks or cross-bedding in the limestone can also indicate its formation in a marine environment.
What do marine fossils tell us about the history of the Mojave Dessert?
Marine fossils found in the Mojave Desert indicate that this region was once submerged under an ancient ocean, specifically during the Mesozoic era. These fossils, including those of shellfish and other marine organisms, provide evidence of past marine environments and help reconstruct the geological history of the area. The presence of these fossils suggests significant geological changes, including uplift and erosion, that transformed the region from a marine environment to the arid desert we see today. This highlights the dynamic nature of Earth's surface and its long-term climatic and geological evolution.
Have More Human Fossils Have Been Found Than Any Other Type Of Fossil?
No, human fossils are among the rarest type of fossils. Fossils of plants and marine organisms are far more abundant and have been found in greater numbers than human fossils.
