Haasttse-baad Tessera Ring Complex: A Valhalla-Type Impact Structure on Venus? 05NOV2024

Haasttse-baad Tessera Ring Complex: A Valhalla-Type Impact Structure on Venus?

A Hidden Breed of Impact Craters Has Been Lurking on Venus Undetected

Michelle Starr, Science Alert, November 5, 2024

https://www.sciencealert.com/a-hidden-breed-of-impact-craters-has-been-lurking-on-venus-undetected

Study of Venus's Haasttse-baad Tessera suggests formation by two large impacts

PhysOrg, November 5, 2024

https://phys.org/news/2024-11-venus-haasttse-baad-tessera-formation.html

López, I., Bjonnes, E. and Hansen, V.L., 2024. Haasttse‐baad Tessera Ring

Complex: A Valhalla‐Type Impact Structure on Venus?. Journal of Geophysical

Research: Planets, 129(10), no .e2023JE008256. open access

https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2023JE008256

Yours,

Paul H.

Venus May Not Have Once Been As Earth-like As Scientists Thought

Venus May Not Have Once Been As Earth-like As Scientists Thought

Venus May Not Have Been As Earth-like As Scientists Thought
By Elizabeth Howell, SpaceCom, October 14, 2109
https://www.space.com/venus-not-so-earthlike-after-all.html

The papers are:

Wroblewski, F.W., Treiman, A.H., Bhiravarasu, S.S. and Gregg,
T.K.P., 2019, March. Ovda Fluctus, the Festoon Lava Flow on
Ovda Regio, Venus: Most Likely Basalt. In Lunar and Planetary
Science Conference (Vol. 50).
https://www.hou.usra.edu/meetings/lpsc2019/pdf/1699.pdf

Wroblewski, F.B., Treiman, A.H., Bhiravarasu, S. and Gregg, T.K.,
2019. Ovda Fluctus, the Festoon Lava Flow on Ovda Regio,
Venus: Not Silica???Rich. Journal of Geophysical Research: Planets,
124(8), pp.2233-2245.
https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2019JE006039

Yours,

Paul H.

Venus Global GIS Mapping Application

Venus Global GIS Mapping Application

Venus Global GIS Mapping Application
USGS Astrogeology Science Center
https://webgis2.wr.usgs.gov/Venus_Global_GIS/
https://astrogeology.usgs.gov/maps

Venus Magellan SAR FMAP Left Look Global Mosaic 75m
https://astrogeology.usgs.gov/search/map/Venus/Magellan/Venus_Magellan_LeftLook_mosaic_global_75m_Internal

Yours,

Paul H.

Venus Catastrophic Resurfacing Hypothesis Challenged

Monday, April 26, 2010 11:06 AM

by Paul H

Dear Friends,

Ribbon tessera terrain on Venus challenges catastrophic
resurfacing hypothesis.

Venus Records a Rich Early History
ScienceDaily, March 25, 2010)

http://www.sciencedaily.com/releases/2010/03/100326125438.htm

the paper is:

Hansen, V. L., and I. Lopez, 2010, Venus records
a rich early history. Geology. vol. 38, no. 4,
pp. 311-314, doi:10.1130/G30587.1

http://geology.gsapubs.org/content/38/4/311.abstract

Hansen, V. L., and I. Lopez, 2009, Implications of
Venus Evolution Based on Ribbon Tessera Terrain
Relations Within Five Large Regional Areas. 40th
Lunar and Planetary Science Conference, (Lunar
and Planetary Science XL), held March 23-27, 2009
in The Woodlands, Texas, id.2306

http://www.lpi.usra.edu/meetings/lpsc2009/pdf/2306.pdf

http://adsabs.harvard.edu/abs/2009LPI....40.2306H

A related article:

Did A Mega-Collision Alter Venus?
ScienceDaily (Feb. 27, 2008)

http://www.sciencedaily.com/releases/2008/02/080226160017.htm

The paper is:

Davis, H. J., 2009, Did a mega-collision dry Venus'
interior? Earth and Planetary Science Letters.
vol. 268, no. 3-4, pp. 376-383.

http://dx.doi.org/10.1016/j.epsl.2008.01.031

Yours,

Paul H.