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Questions tagged [tectonics]

For questions about the tectonics of your fictional world, such as about how mountains are created or how plates would be affected by changes to the Earth's mass.

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Would a geologically ancient world be habitable?

Assuming an earth-like planet, but with several billion more years of cooling and settling (and with no moon to create tides). I'm imagining this planet would be geographically and tectonically ...
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6answers
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A world without mountains

I'm relatively new to all this. I'm thinking of studying a little Earth sciences in the hope that it tells me but, up front, I want to know if I'm completely off. I want to know if a world with no ...
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Thousand Plate World: Effects [closed]

I have found this idea on a discussion on /r/worldbuilding. Anyway, the premise is as follows: The planet is earth-like in terms of size and mass. The planet has a very large amount of small, active, ...
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2answers
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Thousand Plate World: Formation

I have found this idea on a discussion on /r/worldbuilding. Anyway, the premise is as follows: The planet is earth-like in terms of size and mass. The planet has a very large amount of small, active, ...
2
votes
1answer
54 views

What would the effects of rapid tectonic movement be?

So once again the world is in the Pangaea formation and the plates are moving on the same trajectory to form the continents that the world is in today (I'll refer to it as Modern). Instead of moving ...
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1answer
256 views

Where should I place mountains and deserts in this generated map?

Thanks for all the comments and I've re-edited the question: All nature settings(radius of planet, etc) are similar to the real world earth except the continent layout. I used Mogensen Planet ...
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2answers
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Starting with a map of current landforms, how can I write the geographic history of my planet?

The current worldbuilding project I have is going to be detailed - very detailed. It's about the life of an alien planet called Nemo 4, and I want to chronicle the evolutionary history of that life, ...
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5answers
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What would Earth's Land look like in the year 3000? would there be any significant changes at all in 1000 years?

I've tried researching this question myself, but the only data I can find is over huge timescales, like situations where the continents have reformed back into a Neo-Pangea. I'm not looking for any ...
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1answer
234 views

What are the best books on geology and plate tectonics for worldbuilders?

I am trying to achieve the best possible accuracy for new planets, for determining landmasses and continents and then gravity, axial tilts, day length, tides, seasons and so, without going too deep ...
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3answers
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Is it possible for a tectonic plate to be separating from all the plates around it?

So here's the picture, an island about the size of Sicily is on its own tectonic plate, it borders three other tectonic plates, it's separating from all of them at the exact same time. This is a ...
8
votes
3answers
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Is an offset mountain range plausible?

For my world, I would like a coastal mountain range that partway along its length is offset by a few (say, 100) kilometres, forming a pass through the mountains, like so: (N.B. I've drawn this very ...
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2answers
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corrected projections: Is this world map realistic? I tried to use plate tectonics to inform my mountain and island chain placements

1 degree of latitude = 96.57 km. Equirectangular projections. (Yes, I need to revise the polar regions to make sure they don't get squished.) Obliquity of Jasmi: +31.1 degrees. Radius of Jasmi: 0....
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4answers
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If all the iron and nickel in the inner core was transmuted into gold over two weeks

If some kind of insane wizard began a ritual that would turn the inner core of the earth into gold, what would happen? Over the course of 15 days, the entirety of the core will become gold. Each ...
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17answers
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How could a natural road form across a sea?

BACKGROUND I'd like my earth-like world to have a naturally formed narrow strip of land that bridges a major sea. Now, before anyone rushes off to comment about island chains and land bridges, I'll ...
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3answers
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Where should I place mountains in this world map? [closed]

So... I have this world map that displays only the seas and landmasses of an earthlike planet. Could you help me place the main mountain ranges where they would make sense according to plate tectonics?...
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2answers
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If Earth's core gained and lost mass, what would eventually happen to the plates?

If the mass came from handwaving and just increased the core's density, what would happen to the plates? If, over the course of 200 years the planet fluctuated from +50% to -50% gravity, would the ...
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9answers
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How could a planet have zero surface caves?

What could cause a planet to naturally have zero caverns with surface openings apart from small impact hollows in the sides of craters and crevices carved in cliffs? To be specific, zero large ...
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3answers
117 views

Geological Processes Without Internal Heat?

Suppose you have a planet large enough to support life, with water and air all that, but old enough that it has exhausted its internal heat supply, the core is frozen solid, and there is little to no ...