Questions tagged [sea-floor]

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11
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2answers
2k views

Earth's ocean basins

Was Earth's sea-floor always carved with the numerous geological features that we see today, or was it at some point flat and boring as Mars is today?
9
votes
2answers
642 views

What are these underwater structures near 6°N 85°55'W

While google earth-researching the sea floor near Malpelo and Cocos Islands (Colombian and Costa Rican Pacific Ocean), I came along these strangely geometrical structures in the sea floor, located ...
7
votes
1answer
223 views

Is the seafloor of the Gulf of Mexico and Caribbean Sea mostly sedimentary rock?

This comes from a related question about predicting oil (or not) in the deep sea, not just the continental shelf. Apparently the deep seafloor is igneous, which lowers its chances of holding oilfields....
6
votes
3answers
386 views

Uranium Deposits in the Ocean?

I was wondering whether there are any uranium deposits in the ocean floor, or in the rock walls of the continental shelf, etc. I was hoping to have some deep sea uranium deposits accessible from the ...
6
votes
1answer
2k views

What is a mud diapir and how does it form?

Mud diapirs are relatively common features in seismic reflection images. What is a mud diapir? How is it different from a mud volcano? What are their common characteristics (size, age, composition)? ...
4
votes
2answers
214 views

What is this island or reef 600 km east of Marianas Islands?

This map shows an island a bit east of the Marianas. I took a screenshot of the relavent part. I hunted around for it in Google Earth with no luck, but I did find a promising candidate here: I could ...
3
votes
0answers
50 views

What are the main obstacles facing large-scale underwater farming? [closed]

Recently I read about OceanReef's Nemo's garden, which is growing terrestrial plants underwater inside a dome on the seefloor. I did not found any other company doing it. If it is that good as it is ...
3
votes
0answers
59 views

Is there a large undersea caldera in the Azores?

There looks like a large undersea circular feature (Google maps) about 120km across with its north edge on Sao Miguel Island and its south edge on Santa Maria Island. Has any work been done to say ...
2
votes
1answer
69 views

What's really happening with “stormquakes”?

The PBS Newshour article Scientists discover big storms can create ‘stormquakes’ says: A stormquake is more an oddity than something that can hurt you, because no one is standing on the sea floor ...
2
votes
1answer
35 views

Live video feeds for submarine ROVs?

I know of two live video channels showing live feeds of rover dives: Okeanos Explorer for dives with the NOAA Ship Okeanos Explorer. Nautilus live for dives from the Nautilus, operated by the Ocean ...
2
votes
1answer
70 views

Would a Biorock formed buiding be suitable for ocean floor research?

Electrodeposition of dissolved minerals in seawater has been used to make coral reef repairs for quite some time. WOLF H. HILBERTZ patented the process and trademarked the name Biorock. I do not have ...
1
vote
1answer
43 views

Measuring Transect Length on Sea Floor

I was wondering if anybody had any insight or thoughts on a technological bottleneck we are facing in data collection. Basically, we have vessels (single operator) dig the substrate for collection ...