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What does the presence of glacial deposits near th equator tell about the areas in which those deposits were found?
The presence of glacial deposits near the equator suggests that the climate in those areas was significantly cooler in the past, allowing glaciers to form and deposit materials. This indicates that the Earth's climate at that time was different from what it is today, with lower temperatures supporting the existence of glaciers in regions where they are not typically found today.
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What paleo climatic evidence for polar wandering?
Layers of glacial deposits are found at same place in sequence of rocksNote directions of glacial ice movement as indicated by striations or grooves in the rock
What types of deposits do you get with glaciers and wind?
With glaciers, you typically get deposits like moraines (made up of rocks and sediment) and glacial till (unsorted material deposited by the ice). Wind deposits mainly consist of sand dunes, known as aeolian deposits, which form in deserts and coastal areas with strong winds.
What are depressions left by melted blocks of ice in glacial deposits?
Kettle holes are depressions left by melted blocks of ice in glacial deposits. These features are typically surrounded by mounds of sediment called kames. Kettle holes are common in areas that were once covered by glaciers during the last Ice Age.
What are 2 types of climate data used by Wegener to support his hypothesis?
Alfred Wegener used paleoclimate data, such as the distribution of coal deposits and glacial deposits, to support his hypothesis of continental drift. He noted that coal deposits found in present-day cold regions indicated that these areas were once located in warmer climates. Additionally, the presence of glacial deposits in now-tropical regions suggested that these landmasses had shifted from polar to equatorial positions over time. This evidence helped him argue for the historical movement of continents.
What are depressions left by melted blocks of ice in glacial deposits called?
The depressions left behind are called kettles. The raised areas are called moraines.
What paleo climatic evidence for polar wandering?
Layers of glacial deposits are found at same place in sequence of rocksNote directions of glacial ice movement as indicated by striations or grooves in the rock
What types of deposits do you get with glaciers and wind?
With glaciers, you typically get deposits like moraines (made up of rocks and sediment) and glacial till (unsorted material deposited by the ice). Wind deposits mainly consist of sand dunes, known as aeolian deposits, which form in deserts and coastal areas with strong winds.
What are depressions left by melted blocks of ice in glacial deposits?
Kettle holes are depressions left by melted blocks of ice in glacial deposits. These features are typically surrounded by mounds of sediment called kames. Kettle holes are common in areas that were once covered by glaciers during the last Ice Age.
What is a glacial outwash?
Glacial PlainA l outwash plain is a stratified deposit of sand and gravel transported by water from a melting glacial ice sheet.
How do glacial deposits support continental drift?
Glacial deposits help support the theory of continental drift by showing that ice sheets existed in areas that are now far from the Earth's poles. These deposits indicate that the continents were once connected in a single supercontinent, supporting the idea that they have since moved to their current positions over time.
What are depressions left by melted blocks of ice in glacial deposits called?
The depressions left behind are called kettles. The raised areas are called moraines.
Where can you find flint near southeast ct?
You can find flint in areas where there are sedimentary rocks, such as along the beaches, riverbeds, or quarries in southeast Connecticut. Look for areas with a history of glacial activity, as flint can be found in glacial deposits or exposed outcrops. Be sure to get landowner permission before collecting any samples.
Where would clay most likely form?
Clay is most likely to form in areas where fine-grained sediment has accumulated over time, such as riverbanks, lakebeds, and ocean floors. It can also be found in areas with volcanic ash deposits or glacial till.
Can glacial ice form during the duration of a single winter season in most glacial areas?
No
Where are lakes found?
All over the world. They can be found anywhere from on a mountain, like at Mount Washington's Lake of the Clouds Hut, to underground, like at Howe's Caverns.
Where on the map is the likely location of the outwash plain?
An outwash plain is typically found at the terminus of a glacier and can be located downstream from the glacier in areas like river valleys or plains. This landform is characterized by sediment deposits carried and deposited by glacial meltwater.
What do the thick loess deposits in South Dakota Nebraska and Iowa come from?
The thick loess deposits in South Dakota, Nebraska, and Iowa primarily originate from glacial activity during the last Ice Age. As glaciers advanced and retreated, they eroded the underlying bedrock and sediment, generating fine silt-sized particles. These particles were then transported by wind from the glacial outwash plains and deposited in the region, forming extensive loess deposits. This windblown silt contributes to the rich agricultural soils found in these areas today.
