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Q&A

Posts tagged tectonics

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Q&A What needs to be changed about the plate tectonics of my world?

So, after trying to make a few different world maps and not really feeling satisfied with them, I decided to attempt making a world a bit more from scratch, by adding in plate tectonics. Now, I did...

1 answer  ·  posted 2y ago by devendoo‭  ·  last activity 2y ago by devendoo‭

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Q&A (Semi) Believable way to quickly submerge a large landmass

I once before asked a question on how to quickly submerge a large landmass/continent. The answers there basically concluded that literally ''Sinking'' (a la Atlantis) is pretty much impossible to...

3 answers  ·  posted 2y ago by Blue Devil‭  ·  last activity 2y ago by Blue Devil‭

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Q&A Could an island on Earth with these climate types exist?

I am creating an RPG and I created a continent in which it is set on. I want to make sure that the climate types in it are realistic as well as the continent. This island is called Lartess. Lar...

3 answers  ·  posted 2y ago by galactic_analyzer‭  ·  last activity 2y ago by galactic_analyzer‭

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Q&A UHT Ceramic Geology

Earth rocks are largely silicates, combinations of silicon, oxygen, and various other trace elements. What would a planets geography look like if the crust was primarily composed of ceramics like...

1 answer  ·  posted 2y ago by Aezyc‭  ·  last activity 2y ago by Aezyc‭

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Q&A How would a slip-strike fault develop in my terrain?

I am designing a fictitious continent, and as part of this I am also designing the prehistoric development of the continent up to the present day. A particular tricky part of this has been that, i...

1 answer  ·  posted 3y ago by Antarctica07‭  ·  last activity 2y ago by Antarctica07‭

Question geology tectonics
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Q&A What would we need to have 1km deep fissures spanning out across the planet?

Art by Sylvain sarrailh What kind of event would we need to have 1km deep fissures spanning out across the planet. I can work with a hypothetical scenario where the planet might have had some sor...

2 answers  ·  posted 3y ago by Sandorien‭  ·  last activity 3y ago by Sandorien‭

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Q&A How to tackle one or multiple submerged continents

A part of the story I am writing involves two continents that centuries before the story takes place sunk into the sea. I want to have a way to explain this that does not come down to just the sea...

5 answers  ·  posted 3y ago by Blue Devil‭  ·  last activity 3y ago by Blue Devil‭

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Q&A Can a continent naturally split into two distant parts within a week?

If a great division occurs, sealing two warring cultures apart for many generations, my only explanation so far is a tectonic shift. I imagine water flooding between a long split. But as I understa...

6 answers  ·  posted 3y ago by Swantonic‭  ·  last activity 3y ago by Swantonic‭

Question geography tectonics
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Q&A How much surface water do I need for plate-tectonics on a planet?

I want to build a habitable desert gas-giant moon and I´m not sure how little water I can give it and still get plate-tectonics instead of an Io-like lid-tectonic setup. I want plate tectonics bec...

1 answer  ·  posted 3y ago by TheDyingOfLight‭  ·  last activity 3y ago by TheDyingOfLight‭

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Q&A What's wrong (if anything) with the tectonic plates on my fictional planet?

I'm trying to find someone (s) with enough geology knowledge to help me figure out some of the specifics of the world I'm building. (Earth-like in age, distance from star, size, tilt) I'm doing my ...

1 answer  ·  posted 3y ago by Josh Foreman‭  ·  last activity 3y ago by Josh Foreman‭

Question geology tectonics
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Q&A Catastrophic geology

What would happen to an earth-like planet where an event caused a large (think, the size of the Caribbean tectonic plate) section of the crust to get peeled away, exposing the upper mantle for a pe...

3 answers  ·  posted 3y ago by Lee Carlson‭  ·  last activity 3y ago by Lee Carlson‭

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Q&A Asteroid impact. How big does it have to be to globally affect plate tectonics?

I want to know about the plausibility and required parameters of the following scenario: Take an Earth-like planet, about the same size, composition and gravity. It has no plate tectonics to speak...

5 answers  ·  posted 8y ago by Tonny‭  ·  last activity 3y ago by Tonny‭

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Q&A How Would Plate Tectonics on an Inverted World Work?

Recently, I came across an inverted world map on the MapPorn Reddit made by MChainsaw. "Inverted" as in, the "continents" are now below sea level and the "ocean floors" are high and dry. (Conside...

2 answers  ·  posted 3y ago by JohnWDailey‭  ·  last activity 3y ago by JohnWDailey‭

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Q&A 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 te...

2 answers  ·  posted 4y ago by Evan Dicken‭  ·  last activity 4y ago by Evan Dicken‭

Question geography tectonics
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Q&A 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 ...

6 answers  ·  posted 4y ago by Jeremy Hunter‭  ·  last activity 4y ago by Jeremy Hunter‭

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Q&A 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, act...

2 answers  ·  posted 4y ago by MedwedianPresident‭  ·  last activity 4y ago by MedwedianPresident‭

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Q&A 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 movin...

1 answer  ·  posted 4y ago by Asher‭  ·  last activity 4y ago by Asher‭

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Q&A 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 Ge...

1 answer  ·  posted 4y ago by J.Y.‭  ·  last activity 4y ago by J.Y.‭

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Q&A 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 lif...

2 answers  ·  posted 4y ago by SealBoi‭  ·  last activity 4y ago by SealBoi‭

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Q&A 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 an...

5 answers  ·  posted 4y ago by Sydney Sleeper‭  ·  last activity 4y ago by Sydney Sleeper‭

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Q&A 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 f...

3 answers  ·  posted 4y ago by skout‭  ·  last activity 4y ago by skout‭

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Q&A 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 ...

3 answers  ·  posted 4y ago by walrus‭  ·  last activity 4y ago by walrus‭

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Q&A 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 Jasm...

2 answers  ·  posted 5y ago by Rúnatál Davino‭  ·  last activity 5y ago by Rúnatál Davino‭

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Q&A 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 ...

4 answers  ·  posted 5y ago by Piomicron‭  ·  last activity 5y ago by Piomicron‭

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Q&A 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'l...

17 answers  ·  posted 5y ago by Random‭  ·  last activity 5y ago by Random‭

Question geology tectonics sea
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Q&A 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...

2 answers  ·  posted 5y ago by Adam Halatek‭  ·  last activity 5y ago by Adam Halatek‭

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Q&A 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 ca...

9 answers  ·  posted 5y ago by Noble‭  ·  last activity 5y ago by Noble‭

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Q&A 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 ...

3 answers  ·  posted 5y ago by Logan R. Kearsley‭  ·  last activity 5y ago by Logan R. Kearsley‭

Question geology tectonics

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