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Most rocks are subjected to weathering and erosion and it is difficult to see what a rock is made of if it is weathered. That is why geologists break rocks, to see a fresh example of the rock. It is also the best way of finding fossils in the field if you are working in an unfamiliar area.
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Geologists can use sedimentary rock to learn about climate in the past?
By looking at the sedimentary and studying it
Why do some geologists consider glacial ice to be a metamorphic rock?
Probably because the subsurface ice in a glacier has recrystallized, much as the minerals in some sedimentary rock do when undergoing metamorphism.
How does moss break rock?
usually it doesn't it goes around the rock
What does the term parent rock refer to?
sometimes rocks break off into pices the rock the pices came from is known as the parent rock
The original rock before it metamorphoses.?
Parent Rock, apexx
Why do geologists break a rock before examining it?
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How do geologists learn about rock formations?
Geologists learn about rock formations through various methods such as studying the rock's composition and minerals, examining the layers and structures of rocks, conducting field observations and mapping, using geological dating techniques, and analyzing seismic data. By combining these methods, geologists can uncover the history and formation processes of rock formations.
How do geologists determine a rock's texture?
Geologists determine a rock's texture by examining the size, shape, and arrangement of mineral grains or other components within the rock. They use techniques like thin section microscopy and petrographic analysis to study these characteristics in detail. The texture of a rock can provide important clues about its formation and history.
Why do geologists work backwards when studying rocks?
Geologists work backwards when studying rocks by examining the current rock layers and features to infer the past geological processes that formed them. By analyzing the characteristics of rocks and their relationships, geologists can reconstruct the geological history of an area and understand how it has evolved over time. This approach helps geologists uncover the sequence of events that shaped the Earth's surface.
Why geologists are interested in outcrops or cliffs?
Geologists are interested in outcrops or cliffs because they provide visible and accessible exposures of the Earth's subsurface layers. By examining the different rock layers and structures in outcrops, geologists can gather valuable information about past geological processes, depositional environments, and the history of the Earth. Outcrops also help geologists interpret the geology of a region, identify potential natural resources, and make geological maps.
What do Geologists use radiometric dating to date sedimentary rock?
Geologists use radiometric dating of volcanic ash layers within sedimentary rock to determine the age of the sedimentary rock. By dating the igneous rock layers above and below the sedimentary rock, geologists can establish a bracket of time within which the sedimentary rock was deposited.
How composition and texture are used to classify rock?
mineral composition is the minerals that the rocks are made of texture refers to the grain size (sediments or interlocking crystals) of the different components of that rock
Are geologists lonely?
No, they're rock solid!
Principle of inclusions?
The principle of inclusions states that any rock fragment included in another rock must be older than the surrounding rock, as the inclusion had to exist before the rock containing it formed. This principle is used in relative dating to determine the sequence of events in geologic history. By examining inclusions, geologists can establish the relative ages of rock layers.
What clues does extrusion tell geologists?
Geologists study where intrusion and extrusion formed in relation to other rock layers. This helps geologists understand the relative ages of the different types of rock! Hope it helps;)😊
Why is it necessary to observe the rock layers of several different localities in order to obtain a complete sequence of events?
answer your earth science lab yourself
What do geologists look for when observing a rock sample?
its structure
