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Q&A

Posts tagged geology

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Q&A Was the total amount of water on earth ever significantly different?

Is it plausible to assume that the total amount of water (edit: water molecules) on planet earth was, in different periods of earth's history, significantly lower or significantly higher, or rather...

2 answers  ·  posted 1y ago by deleted user  ·  last activity 1y ago by Lundin‭

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Q&A How deep can the oceans be while still alowing some land?

Many alien worlds will most likely be water worlds. I was wondering what the deepest possible global ocean dept is where land is still possible. I think that volcanic islands will still have a chan...

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

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Q&A Mountain Destruction by mining

I have a mountain in a story that basically needs to be taken down (inadvertently) by human action in a world with premodern (so mediëval/ early renaissance at best) tech levels. I have been thin...

1 answer  ·  posted 3y ago by Blue Devil‭  ·  last activity 3y ago by Blue Devil‭

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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 3y ago by Blue Devil‭  ·  last activity 3y ago by Blue Devil‭

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Q&A Could terrain like this form on Earth? If so, how?

I am creating an RPG and came across an image that I wanted to base my landscape on. It is shown above. Is it possible for terrain like that to form on Earth (ignore the wildlife)? If it is, how ...

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

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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 3y ago by galactic_analyzer‭  ·  last activity 3y ago by galactic_analyzer‭

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Q&A Plate tectonics required to create a area where the land "grows" very rapidly, very often?

From what I understand, Mount Everest grows about 2.4 inches per year. I am trying to create an area of land that grows very often, often around 1 inch per day. As I'm not very good with plate tect...

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

Question geology
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Q&A Is it possible for a planet to have an area saturated with lava but at the same time is still habitable to humans and other lifeforms?

An area of my planet is very saturated with lava. Being quite similar to the Siberian Lava Traps, it is essentially a lava sea. This lava "sea" area isn't necessarily all lava however, as there are...

2 answers  ·  posted 3y ago by In the name of the story‭  ·  last activity 3y ago by In the name of the story‭

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Q&A What aquatic life would utterly deplete the soil of a specific nutrient?

In my story an area was formerly beneath an ocean or lake. Some form of life leeched the soil of a specific mineral or substance. Technology level is that of ~1700 Spain. Now that the water has ...

3 answers  ·  posted 3y ago by user72058‭  ·  last activity 3y ago by user72058‭

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Q&A Temple fell down sinkhole in mining area, toxic gases

My temple was built near a kaolin surface mine, which is itself topping an old deep mine (where they used to mine radioactive metals, rare earths and possibly other miscellaneous, if need be). This...

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

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Q&A Would these processes be probable on this planet?

Background This planet, located somewhere in the Andromeda galaxy, orbits a M5V star about 0.682764 AU away from its star. The planet is volcanically active due to the gravitational field of the ...

3 answers  ·  posted 3y ago by Covision‭  ·  last activity 3y ago by Covision‭

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Q&A Consequences of hitting a Pluto-like planet with a highly luminiferous meteorite?

While the intended end state is that this planet can support space-faring lifeforms, the solution under question needs a sanity check. I cannot commit to many numbers with how speculative this all ...

1 answer  ·  posted 3y ago by CAE Jones‭  ·  last activity 3y ago by CAE Jones‭

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Q&A How Would a Continental Landmass Sink?

Atlantis is real. It's just that there's more than one of them, and none of them are actually called "Atlantis". Instead, they consist from the Kerguelen Plateau in the Indian Ocean to Zealandia,...

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

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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 3y ago by Aezyc‭  ·  last activity 3y 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 3y ago by Antarctica07‭

Question geology tectonics
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Q&A Could Volcanism Provide a Large "Heat Oasis" in a Polar Desert?

So there is an Antarctic like continent in my setting; and just like Antarctica it is the largest and most inhospitable desert in the planet due to how absolutely cold it is. But what if there wa...

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

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Q&A Could a Greater Relative Abundance of Tin Extend a Bronze Age?

Bronze is an alloy of copper and tin, and copper is a significantly more abundant metal in the Earth's Crust, at about 70 PPM compared to tin at 2 PPM. Because tin was the limiting factor in bro...

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

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Q&A How to calculate the thickness of the ice layer of a frozen ocean planet/moon?

How do I calculate the thickness of the upper ice layer on cold ocean worlds like Europa, Enceladus, and Ganymede? I'm asking this for a programm I'm currently writing. The given/known quantities ...

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

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Q&A Would naturally occuring room temperature superconductors affect a planet?

Say we have a planet, similar to Earth, which has deposits of a naturally occuring superconductor. Perhaps have it about as common as deposits of gold - Moderately rare, but occurs in veins as oppo...

4 answers  ·  posted 5y ago by Andon‭  ·  last activity 3y ago by Andon‭

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Q&A What geologic processes would create an unstable cliff on which a city is built?

I have a city which will be completely submerged in water due to a catastrophic earthquake. It is placed on a cliff side, so that it will drop directly into the ocean. Technology is similar to the ...

2 answers  ·  posted 3y ago by creative-username‭  ·  last activity 3y ago by creative-username‭

Question geography geology
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Q&A How feasible is a mobile city that sails across a salt flat?

Imagine a huge salt flat like Bonneville or Salar de Uyuni. Due to other logistical concerns, commerce between the economic powers on either side of the flat is forced travel across it. This has re...

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

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Q&A What would the geologic record look like on a planet in the galactic halo?

Imagine an Earth-like planet orbiting a Sun-like star in the inner halo of the Milky Way. As a halo star, it will likely be somewhat metal-poor, having formed early in the life of the galaxy, but o...

3 answers  ·  posted 3y ago by HDE 226868‭  ·  last activity 3y ago by HDE 226868‭

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Q&A What Else Could Reduce Global Sea Levels?

Anyone who has studied ice ages would know that during the last two-and-a-half million years of Earth's history, there have been periods where there was enough ice to suck up a lot of water. As a ...

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

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Q&A Is an extinct volcanic tube marketplace possible

Could people with Iron Age technology possibly dig large holes in volcanic rock on the edges of a lave tube system. Would this be an effective way to run a trade business or to live in an undergro...

1 answer  ·  posted 3y ago by Capillary Cumorah ‭  ·  last activity 3y ago by Capillary Cumorah ‭

Question geology volcanoes
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Q&A Could a geothermal plant work for several millennia

Is possible to have a geothermal plant (not necessary a very powerful one) to work for several millennia without the place where it is built over running out of heat? I found a page (don't remembe...

5 answers  ·  posted 5y ago by Ender Look‭  ·  last activity 3y ago by Ender Look‭

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Q&A Where do hydrothermal vents form inside icy ocean worlds?

Context: In a near-future version of our solar system, humans have established multiple underwater colonies on Jupiter's moon Europa. Many of these outposts are situated next to hydrothermal vents ...

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

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Q&A Factors that determine the geology of a planet (what factors determine the elemental composition of the planet)

This is my first world and I want to build in a way that is physically possible (if this is possible, otherwise make the necessary changes) for my civilization (which is mostly fleshed out) but I d...

1 answer  ·  posted 3y ago by A. Soreq‭  ·  last activity 3y ago by A. Soreq‭

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Q&A How to Renew Old Mountain Ranges

Conventionally, there are two ways to build mountains--direct collision (as is the case with the Himalayas) and one side sinking beneath the other (which explains why the Pacific Ring of Fire is vo...

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

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Q&A Rock layers in Procedural Map Creation

I've been working on a procedural map generator for a strategy game (if I ever get to gameplay). My general development philosophy is "believable but not necessarily realistic", in other words I do...

1 answer  ·  posted 3y ago by Olin Kirkland‭  ·  last activity 3y ago by Olin Kirkland‭

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Q&A Possible for a large enough structure to survive plate tectonics?

Is it possible for a large enough structure built near a small enough subduction zone to become lodged in it or buried very slowly as opposed to taken underground? If so, how big would the structu...

1 answer  ·  posted 3y ago by carsonogen089‭  ·  last activity 3y ago by carsonogen089‭

Question geography geology
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Q&A If you melted Europa's ice would there be any land?

First question: if you melted Europa's ice, would there be any land? Second question (assuming the answer to the first question is no), how much water would you have to remove after that in order ...

3 answers  ·  posted 3y ago by levininja‭  ·  last activity 3y ago by levininja‭

Question space moons geology
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Q&A Could a carbon based lifeform use the mineral olivine in its structure? Why would it?

Have a creature from a dream. It's a carbon based humanoid creature partly made of the mineral olivine. Could there be any reason it might contain this mineral? Perhaps a show of health - the more ...

3 answers  ·  posted 3y ago by Chickenpeep Chickenpeep‭  ·  last activity 3y ago by Chickenpeep Chickenpeep‭

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Q&A Where should I place my fictional continent in the South Pacific?

Rather than creating an entire world for my worldbuilding project, I was planning on adding an additional continent to Earth. Since the largest "empty spot" is in the South Pacific and one of my go...

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

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Q&A How do i worldbuild planetary regolith

The planet needs to be able to support life but initially ve devoid of it. Which I would think would make it's Soil like that of a desert. The regolith may be important for early agriculture. It ca...

3 answers  ·  posted 3y ago by YLong‭  ·  last activity 3y ago by YLong‭

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Q&A Permanent river of lava

Rivers of lava are a staple of fantasy. But in the real world, lava flows are usually very short-lived phenomenons caused by volcanic eruptions. Is there some plausible way on an otherwise earth-l...

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

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Q&A Are two Pangeas possible?

As we know, the Earth had one super continent at one point in the history of our planet, which eventually broke apart to become what we have today. Assuming we're talking about a planet near iden...

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

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Q&A If we dug a really big hole on Mars, how long would it last?

How long will a 400 km wide 30 km deep pit (trench or crater) with a relatively shallow (for stability) gradient of slope of 20 degrees from the edge to the surface of the planets crust be expected...

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

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Q&A what kind of natural disaster can affect earth on a planetary scale?

Our world is surrounded by a metaphysical barrier that separates us from other dimensions and the things which inhabit them. This barrier is made up of 7 layers, with the last one being the closest...

7 answers  ·  posted 3y ago by Incognito‭  ·  last activity 3y ago by Incognito‭

Question geography geology
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Q&A How big could a meteor crater be without causing significant secondary effects?

I need to wipe out a city. Not a huge one (I won't let them grow beyond a certain limit), but big enough to need to do some pretty serious damage. Let's say something similar in size to Pompeii. (y...

7 answers  ·  posted 3y ago by Spudley‭  ·  last activity 3y ago by Spudley‭

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Q&A How To Make Earth's Oceans as Brackish as Lyr's

Allow me to present Lyr, one of a handful of worlds crafted by artist Chris Wayan: The one detail among a vast many that is important to this question is that its salinity is about 1.5%, roughly...

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

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Q&A Earthquake modeling on a fictitious extraterrestrial moon

Thanks in advance for any input you can provide! I have a moon called Vieneo http://www.risetvp.com/Vieneo which has some geological modelling of faults and epicenters over some range of time: ...

2 answers  ·  posted 5y ago by Jason Reskin‭  ·  last activity 3y ago by Jason Reskin‭

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Q&A How Would Organic Material Erode If Petrified

So in my world, the main Antagonist has the ability to drain the life from things around her, turning them to stone in the process. That made me wonder how organic material would erode if it were p...

3 answers  ·  posted 3y ago by DigitalDevourer‭  ·  last activity 3y ago by DigitalDevourer‭

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Q&A Would mountains made of diamond erode?

So diamonds are the hardest natural substance, but can be broken/shattered by impacts. If a planet had a large mountain range made of diamond (maybe the size of the Rocky Mountains on Earth), wou...

5 answers  ·  posted 6y ago by cometaryorbit‭  ·  last activity 3y ago by cometaryorbit‭

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Q&A How could a volcanic island last for 100 million years?

Some islands can survive for very long. Madagascar, for example, has been around for 80-100 million years and is likely to remain isolated for hundreds of millions of years more. Volcanic islands,...

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

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Q&A What evidence would there be if radioactive decay changed 7,000 years ago?

I know we generally operate - or religiously operate - on the principle that fundamental things don't change over time. It's the bedrock of geology - Uniformitarianism. I also believe it is unprova...

9 answers  ·  posted 3y ago by Vogon Poet‭  ·  last activity 3y ago by Vogon Poet‭

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Q&A What's the largest igneous province an impact event could create on Earth?

With the potential for an impact event to trigger volcanic activity on the opposite side of the planet, what is the largest plateau of flood basalt physically capable of forming on Earth, post-impa...

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

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Q&A Valuable minerals near dormant volcanoes

When building a city, one must consider why one is building a city. It's all very well imagining a city perched on top of an inaccessible mountain peak, but a believable world requires that we cons...

12 answers  ·  posted 6y ago by Werrf‭  ·  last activity 3y ago by Werrf‭

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Q&A How large can a mountain range get?

Start: Normal planet, very similar to Earth. The main difference is that the continents are placed differently. Magic could play a role in the formation of mountains but I prefer a scientific ex...

1 answer  ·  posted 8y ago by Vincent‭  ·  last activity 3y ago by Vincent‭

Question mountains geology
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Q&A What is my bedrock?

I'm looking for a rock from which my island is constructed. It needs to be: Either created from the sea or via intense pressure/heat Capable of trapping layers of gas beneath it White(ish) I wa...

2 answers  ·  posted 8y ago by Liath‭  ·  last activity 3y ago by Liath‭

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Q&A Can a planet's magnetic field be generated by non-ferromagnetic metals?

I am trying to construct a terrestrial planet that is almost entirely made of silicates but with a core that's able to generate a magnetic field. I really don't want to use iron, nickel, or cobalt,...

2 answers  ·  posted 3y ago by Jack Van Hoof‭  ·  last activity 3y ago by Jack Van Hoof‭

Question geology

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