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How can sandstone rock be changed into different sandstone rock?
by chemicals
Where will camp rock 2 going to be filmed in?
Camp Rock 2 will be filmed in two locations in Ontario, Canada, according to www.disneydreaming.com. Kilcoo Camp in Minden (www.kilcoo.com/) and Camp Wanakita in Haliburton (www.ymcahb.on.ca/locations_wanakita.cfm… are the two locations being filmed in late summer of 2009
For metamorphic rock to become igneous rock what steps are necessary?
Metamorphic rock can not become igneous rock, however igneous rock can become metamorphic. This process happens over time as the rocks are shifted, compressed and heated by the Earth.
What must happen for an existing rock to become a metamorphic rock?
It must undergo heat and pressure. Different amounts for different rocks.
What are some tools that are used in rock quarries?
== == A scale to measure the rock in different ways. That is only one of the ways though. A scale to measure the rock in different ways. That is only one of the ways though.
What are index fossils used to determine?
Index fossils are used to determine the relative age of rock layers. By studying the presence of these distinct fossils in different layers of rock, geologists can identify the relative age of the rocks and correlate them with other rock layers in different locations.
Remains of plants or animals used to correlate rock layers over large geographic areas?
Index fossils are used to correlate rock layers over large geographic areas. These fossils are commonly found in distinct layers and can be used to determine the relative ages of rocks in different locations. By identifying the same index fossil in different rock layers, geologists can establish correlations between widely separated areas.
Why is it necessary to observe the rock layers of several different locations in order to obtain a complete sequence of events?
Observing rock layers from multiple locations is essential because geological processes can vary widely across different environments, leading to variations in sediment deposition, erosion, and tectonic activity. By studying various sites, geologists can construct a more comprehensive and accurate timeline of events, as they can correlate layers and identify patterns that may not be evident in a single location. This broader perspective helps to mitigate biases or incomplete interpretations that might arise from examining only localized rock formations.
What rock unit is distinct and laterally traceable?
A formation is a distinct rock unit that is laterally traceable over a large area. Formations are defined based on their distinctive lithology or fossil content, making them easily recognizable across different locations. This helps geologists correlate rock layers and map out the geology of a region.
Fossils that appear all over the world in certain rock layers are what?
Fossils that appear all over the world in particular rock layers are called index fossils. These fossils are used by scientists to correlate and date rock layers in different locations, providing insights into the Earth's geological history and past environments.
Why do geologists correlate rock layers?
Within a small area, you can correlate the rocks of one locality with those of another by simply walking along the outcropping edges. However, this might not be possible when the rocks are covered by soil and vegetation. This problem can be corrected if you note the position of a distinctive rock layer in a sequence of strata. You may be able to identify a rock layer in another location if it's composed of very distinctive or uncommon minerals.
How a coal seam might be used as a key bed?
A coal seam can be used as a key bed in stratigraphy by acting as a recognizable and widespread marker layer in the rock sequence. Key beds help correlate different rock layers in different locations based on the consistent presence of a specific marker bed, such as a coal seam, allowing geologists to establish the relative ages of rocks in various areas.
What do geologist use to match rock layers in different locations?
they lick
Are Fossils used to correlate sedimentary rocks that are widely separated by using the rocks distinctive fossil content and applying the principle of fossil succession?
Yes, fossils can be used to correlate widely separated sedimentary rocks by comparing their distinctive fossil content and applying the principle of fossil succession, which states that older fossils in the rock layers are found at the bottom, and younger fossils are found in upper layers. By identifying similar fossil assemblages in rocks in different locations, geologists can establish a relative timeline of deposition and correlate the rocks.
Describe how geologists use an index fossil and list the three characteristics of a good index fossil?
Geologists use index fossils to date the rock layers they are found in and to correlate similar rock layers in different locations. Three characteristics of a good index fossil are: widespread distribution, short duration in the geologic time scale, and easily recognizable features.
What helps scientists estimate geologic time?
Scientists estimate geologic time by studying the layers of rock and fossils found in different strata, using techniques like radiometric dating to determine the age of rocks and fossils, and analyzing index fossils to correlate relative age of rock layers across different locations. These methods help scientists develop a timeline of Earth's history and understand the sequence of events that have shaped our planet over billions of years.
32. What four requirements must an index fossil meet?
An index fossil must meet four key requirements: it should be widely distributed across different geographic locations, exist for a relatively short geological time span, be abundant and easily recognizable, and have distinct features that differentiate it from other fossils. These characteristics allow geologists to accurately date rock layers and correlate them across various locations.
