Questions tagged [paleogeography]

Paleogeography is the study of past arrangements of the Earth surface.

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1answer
84 views

How, exactly, do scientists know location of earliest continents?

How can scientists know where the earliest continents were located? Supposedly, Pangaea has formed, re-formed, moved all around, etc. Do paleogeologists primarily rely on paleomagnetism, ...
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Can someone provide a map of Nazca lines with this image in it?

I found this image of a bird with another image below its right wing on google earth in nazca peru. Is there any maps or infomation available that can help me identify this one? Kind regards Jeff B.
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What factors make Lake Turkana a great location for preserving fossils?

I am trying to figure out why Lake Turkana has yielded so many hominin fossils compared to other locations in the East African Rift Valley. One of the reasons is possibly the laying of sedimentary ...
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Beringia - history of the region, periods of sea level fall/rise - paleogeography of Pleistocene

I am trying to find any published (not wiki) source of information about how many times and when exactly the Bering Land Mass was free of water. Everything that I find is just pieces of information in ...
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At what latitude/longitude was Cornwall, England 75 million years ago?

Approaching the end of the Cretaceous period, where on the planet (latitude and longitude) was Cornwall, England? .. Approximately.
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Continental collision – evidence left of river mouths and estuaries along the boundary?

Are there any examples of now completely landlocked former river mouths or estuaries that became so after continental collision? As an example, consider the closure of the ocean between India and the ...
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Resources on Andean geology

I would like to begin studying the geology of the Andes, with particular respect to the tectonics and paleogeography of the region. I have been searching on-line resources for some time and I would ...
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1answer
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What is the value of calculating the elevation of mountains in the past? (paleoelevation)

I would like to know if knowing the history(elevation, temperature, etc) of montains has any application, different from killing curiosity of scientist.
10
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What are the challenges in predicting lithology directly from acoustic impedance?

Seismic inversion methods help to visualize the subsurface layers of the earth in terms of petrophysical properties (e.g. impedance). Still some geophysicists use the final inverted impedance model in ...
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2answers
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When was the last time there was a landlocked body of water bigger than the Caspian?

Was it the Mediterranean before it dried into small lakes? What was the biggest one before that?
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What were the tallest mountain ranges in Earth's geological past?

There have been numerous episodes of mountain building in Earth's geological history, particularly through the super-continent cycle. Many mountains and mountain ranges have been eroded, as mentioned ...
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Paleogeographic atlas software

I am looking for a paleogeographic atlas software, like the one used here at min 10:15: you can navigate through the ages with an arrow and visualize a reconstruction of the geographic features of any ...
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What are the causes of the supercontinent cycle?

Throughout geologic history, Earth's continents have broken apart and come together to form supercontinents multiple times, in a somewhat regular period, known as the supercontinent cycle. The length ...
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Determining the paleoelevation of mountain ranges

In New Delhi, a lot of people say that the Aravali range used to be as tall as the Himalayas. How do scientists know that some mountain range used to be a lot taller millions of years ago, and what ...
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Historically, how has the fraction of Earth covered by water changed?

Today, 70.8% of the Earth is covered in water (± a few tenths of a percent depending on how you account for lakes).1 How has this figure changed over the history of the Earth, and why? Of course, if ...
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Sea Level in Paleogeographic Maps

Most paleogeographic maps available (C. R. Scotese or R. Blakey maps for instance) show not only the shape of the continents during the concerned period but also the level of the seas and oceans (i. e....
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What was the ocean circulation like during the time of Pangaea?

So Enderton and Marshall (2009) wrote an interesting paper on the ocean circulation of various aquaplanets covered with certain terrain: e.g. an aquaplanet with a small ridge of land that ranged from ...