Talk:Geology of Venus

message: (inserted for immediately reaching TOC. ... said: Rursus (mbork³) 18:27, 2 September 2009 (UTC)
replies: text: I think the seeming contradiction is presented by Venus itself! As the Spanish article says, Venus has no tectonic plates, yet it has many geological features associated with tectonic processes such as mountain folding, rift valleys and so forth. I think therefore it's reasonable to talk about the 'tectonism' of Venus, while pointing out that in fact the crust is not fractured into distinct plates. See also El Tectonismo de Venus --Keithlard 14:36, 12 July 2005 (UTC)

text: *Yes, I've translated the decimal point elsewhere as a comma, per the Wikipedia:Manual of Style -- Keithlard 01:25, 12 July 2005 (UTC)

text: I've made the names of space probes a wikilink where they first occur, and normal text thereafter. That seems a sensible scheme - it's not usual to see these names italicised in English text. -- Keithlard 01:25, 12 July 2005 (UTC)
replies: text:  I just checked the Manual of Style, and it says that the names of ships should be italicized. So, does that include spaceships? Just wondering, because it would be easier and more effective to italicize them now than to have to go back... --Titoxd 02:37, 12 July 2005 (UTC)
replies: text: Yes, that includes spaceships. --Fenice 06:13, 12 July 2005 (UTC)
replies: text: This approach may be correct according to the MoS, but it is not used in Venus, Magellan probe, Space exploration, Pioneer 10, Venera program, or Mariner program (though it is used in Galileo). However, consistency within an article is more important than consistency across the encyclopedia, so I agree we should go with the MoS here. --Keithlard 14:36, 12 July 2005 (UTC)

text: I agree, "comprises of" sounds strange to me to and should be avoided, even though it is correct. Using "include" instead is a good solution.--Fenice 13:04, 13 July 2005 (UTC)
replies: text: "Includes" still didn't sound right. I changed it to "are", which gets the meaning across simply. - mako 06:05, 16 July 2005 (UTC)
replies: text: The more I look at it now, the less good any of our suggested wordings seems to me. Maybe I've just been looking at it too long :D 'Are' definitely looks wrong (it's like saying 'I have a big pile of money, of which 22% are Spanish'). How about '98% of the planet was mapped, 22% in 3D'? -- Keithlard 10:12, 16 July 2005 (UTC)
replies: text: You're absolutely right; I'm embarassed I didn't catch that. Gotta be careful when editing late at night. - mako 03:17, 17 July 2005 (UTC)

text: Hmm. No, I looked for that, and I couldn't find anything. However, I did stuble upon this page, which looks like it has very good information. I would add it, but outside life calls and I have to take a Wikivacation. -- Titoxd 21:59, 15 July 2005 (UTC)
thread_title: (random heading)

message: So, it looks like we're done with the heavy-duty translating part. Now all that's left to do is to make sure that there aren't any gaps, copyedit, factcheck, and then expand the article so we can nominate it in WP:FAC. --19:36, 12 July 2005 (UTC)
thread_title:  Progress Report 

message: Excellent images - should we nominate some of them for featured images? — Stevey7788 (talk) 22:48, 4 August 2005 (UTC)
thread_title:  Images 

message: The Altimetry for Pioneer 12 is stated as "The altimetry data had an accuracy of 150 kilometers." that sound helluva inaccurate, no?
Cheers
Khukri  (talk . contribs) 11:48, 27 June 2006 (UTC)
thread_title:  Altimetry 

message: It would be nice to see this as a featured article.  I think the main problem is organisation, which seems a bit illogical at the moment.  How about this for a TOC to rearrange the article into:
# Observations
#:How we know what we know - Venera probes, Magellan mission
# Volcanism
#:2.1 Volcanoes
#:2.2 Other volcanic features
#:2.3 Comparison with terrestrial volcanism
# Tectonism
#:3.1 Lack of plates
#:3.2 Global resurfacing events
# Impact craters
# Erosion
# References
# External links
:Worldtraveller 16:21, 15 July 2006 (UTC)
thread_title: Organisation

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BetacommandBot (talk) 02:10, 12 February 2008 (UTC)
thread_title: Fair use rationale for Image:Venera 9 panorama.gif

message: Is the first line really encyclopedic?  As they say, beauty is in the eye of the beholder.  —Preceding unsigned comment added by 206.126.170.20 (talk) 22:00, 30 June 2008 (UTC)
thread_title:  Beauty 

message: Excuse me, I do not think it is correctly formulated here:
The reactions probably include the deterioration of silicates by carbon dioxide to produce carbonates and quartz, as well as the deterioration of silicates by sulfur dioxide to produce anhydrate calcium sulfate and carbon dioxide.
One cannot get CO2 from CaSiO3 and SO2. Maybe CO2 reacts with the carbonate appeared in the reaction mentioned before?  —Preceding unsigned comment added by 159.148.226.100 (talk) 19:25, 29 December 2008 (UTC)
thread_title:  Erosion of the old lava 

message: There seems to be a discrepancy in the first section:
:Long rivers of lava have been discovered, as well as evidence of Aeolian erosion and tectonic shifts which have played an essential role in making the surface of Venus as complex as it is today.
versus
:These winds exist at high altitudes, but the atmosphere at the surface is relatively calm, and images from the surface reveal no evidence of wind erosion.
Aeolian erosion is the just a fancy name for wind erosion, isn't it?  Is there evidence of it happening on Venus, or not?  Rojomoke (talk) 09:32, 24 July 2009 (UTC)
replies: text: I saw the reply on the Science reference desk, so I've made a small adjustment to the second sentence so that it doesn't contradict the first.  Can we find any references?  Dbfirs 17:39, 2 August 2010 (UTC)
thread_title:  Wind Erosion 

message: If the network of "normal faults" cris-crosses the surface of Venus, then can that network be construed, as some sort of "semi-mid-ocean-ridge" resembling planetological structure?  I.e., some sort of "semi-spreading-zone" that "doesn't quite make it", do to the differences, between earth & venus ??
24.143.65.75 (talk) 09:38, 1 December 2011 (UTC)
replies: text: Plate tectonics as it occurs on Earth, does not appear to happen on Venus. The rifts or "chasmata" are explained as a result of uplift associated with magmatic effects at the base of the Venusian lithosphere. The total amount of extension appears to be rather small, there is, as far as I know, no evidence of large-scale lateral movement of the crust on Venus. The main difference between tectonics on Venus and Earth is that that the mantle in the former lacks water, something that appears critical to the development of the relatively weak asthenosphere on Earth. Mikenorton (talk) 10:09, 1 December 2011 (UTC)
thread_title:  Normal faults 

message: The article claims that no probe has been able to survive for "more than one hour" on the surface, whereas the page on Venera_13 says that craft survived for 127 minutes on the surface. One of these two facts is surely wrong? --81.138.8.26 (talk) 11:48, 13 March 2013 (UTC)
thread_title: One hour claim

message: is a new, lovely article that needs to be thoroughly overhauled and meshed with this article. Any Venusophiles got some free time? — LlywelynII 05:05, 21 December 2016 (UTC)
thread_title: [[Mapping of Venus]]

message: I think this needs a bit more work. The idea of a periodic event is only one hypothesis. This is a recent article on the cyclic event but it's rather techy
http://www.lpi.usra.edu/meetings/lpsc2005/pdf/1893.pdf
Others treat it as a one off event. As for the timing of it, this paper says 0.2 to 1 billion years ago and it's a recent paper, December 2014, based on analysing the nearly 1000 Magellan survey craters
http://planetary.brown.edu/pdfs/4932.pdf
One hypothesis is that Venus had less atmospheric pressure before the event and the modern thick atmosphere is a result of volcanic outgassing during the stagnant lid upheaval.
I think it might be good if some of this was mentioned. Robert Walker (talk) 18:50, 31 January 2017 (UTC)
replies: text: You seem to understand it better than most - I don't think anyone would object to you being bold! A2soup (talk) 21:34, 31 January 2017 (UTC)

text: Agree with A2Soup. I look forward to your edits. Arianewiki1 (talk) 22:36, 31 January 2017 (UTC)
thread_title: Global resurfacing event

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thread_title:  External links modified 

message: I'm trying to remove "soil" from this article, since it's a formally, scientifically recognized term for a mixture of dirt, biogenic organic material and organisms like fungi that supports growth of plants, but user Geogene keeps trolling by reverting it because he thinks errors in publications should be copied regardless of anything. Wikipedia is not a place to mindlessly copy information.
Regolith is a broken (subcentimetre particles) material on the surface of planetary bodies, its finer fractions are called gravel, sand, silt, clay.
Venus has no soil. That has been proven. We know what kind of place its surface is.
https://www.quora.com/What-is-the-difference-between-soil-and-dirt
https://www.britannica.com/science/soil
Lajoswinkler (talk) 22:17, 30 January 2021 (UTC)
replies: text: Lajoswinkler is on an edit warring campaign based around a pet peeve about soil implying biological activity. Well, that's actually correct, in a very strict definition of the world soil. If I didn't know better I would think this was some kind of trolling, except that this isn't the first time I've heard of someone in the know harping on that point. But the problem is that virtually all sources on Venusian geology call it soil colloquially nonetheless, and Wikipedia is mostly about following sources. Even Britannica, whose article on soil is being cited above as authoritative, uses the word "soil" in its own Venus article, at least eight times . Geogene (talk) 23:25, 30 January 2021 (UTC)
thread_title:  Venusian dirt is not soil 

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thread_title:  A Commons file used on this page or its Wikidata item has been nominated for deletion 

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