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P. D'Incecco and G. Di Achille were partially supported by the ASI/INAF Grants 2022-15-HH.0 and by the INAF MINI GRANTS (2023) RSN3 "AVENGERS initiative: a comprehensive database of terrestrial volcanoes for identifying active volcanism on Venus." A. Jimenez-Diaz acknowledges support from the Spanish Ministry of Science, Innovation and Universities and the Spanish State Research Agency through the project PID2022-140686NB-I00 (MARVEN). The manuscript benefitted from constructive reviews by Jeremy Brossier and an anonymous reviewer.

Analysis of institutional authors

Lopez, ICorresponding AuthorJimenez-Diaz, AAuthor

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December 10, 2024
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Geologic Evolution of Imdr Regio, Venus: Insight Into the Origin of a Possible Young/Active Hot Spot

Publicated to:Journal Of Geophysical Research-Planets. 129 (10): e2024JE008604- - 2024-10-01 129(10), DOI: 10.1029/2024JE008604

Authors: Lopez, I; Jimenez-Diaz, A; Martin, L; D'Incecco, P; Lang, N P; Di Achille, G

Affiliations

Arctic Planetary Sci Inst, Rovaniemi, Finland - Author
NASA Headquarters, Planetary Sci Div, Washington, DC USA - Author
Natl Inst Astrophys INAF, Astron Observ Abruzzo, Teramo, Italy - Author
Univ Rey Juan Carlos, Dept Biol & Geol Fis & Quim Inorgan, DYNAM Res Grp, ESCET, Mostoles, Spain - Author
Univ Rey Juan Carlos, Dept Biol & Geol Fis & Quim Inorgan, ESCET, Tecvolrisk Res Grp, Mostoles, Spain - Author
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Abstract

Large topographic rises on Venus are regions thought to be formed in response to the presence of a mantle plume or mantle upwelling, equivalent to hot spots on Earth. In this work, we study the geology and evolution of one of these large topographic rises, Imdr Regio, based on geologic mapping and analysis of geophysical data of the area. Imdr Regio presents a complex structure with two very different areas: (a) an elevated southeast area that is dominated by volcanism associated with Idunn Mons, a large volcano that has been proposed as a site of recent or even active volcanism; (b) another elevated area in the northwest area that also has a large volcano (Arasy Mons), but that is dominated by volcanism and tectonic activity associated with the formation of the Olapa Chasma rift system. These two very differentiated topographically elevated areas also exhibit differences in their geology, volcanic and tectonic style, and geophysical characteristics, which leads us to suggest that more than the classic volcano-dominated rise classification attributed to Imdr Regio the area could rather be considered as an intermediate or hybrid volcano-rift dominated large topographic rise. The evaluation of the different genetic scenarios and its correspondence with the observed geology in the area suggests that the complex geology of Imdr Regio could be better explained if we consider models of hot spot evolution that involve the presence of several mantle plumes or secondary upwellings derived from a mantle plume emplaced at a deeper rheological boundary.

Keywords

Atla-themis regionBeta-regiDike swarmsEffective elastic thicknessGlobal distributionLarge topographic riseLarge topographic risesLarge volcanosLateral flowMantle plumesSapas-monsTectonicsVenusVolcanism

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Journal Of Geophysical Research-Planets due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2024 there are still no calculated indicators, but in 2023, it was in position 12/101, thus managing to position itself as a Q1 (Primer Cuartil), in the category Geochemistry & Geophysics.

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-07-16:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 3.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 1 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 5.5.
  • The number of mentions on the social network X (formerly Twitter): 4 (Altmetric).
  • The number of mentions on Wikipedia: 1 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Finland; Italy; United States of America.

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (López Ruiz-Labranderas, Iván) .

the author responsible for correspondence tasks has been López Ruiz-Labranderas, Iván.