New Permian Extinction Study Points At Volcanic Eruptions As Primary Cause

New Permian Extinction Study Points At Volcanic Eruptions As Primary Cause

Earth's Greatest Killer Finally Caught by Becky Oskin
LiveScience, December 12, 2013
http://www.livescience.com/41909-new-clues-permian-mass-extinction.html

Volcanic eruptions bubbled beneath Earth’s largest
extinction by Jyoti Madhusoodanan, GoeSpace,
AGU Blogsphere, Decemebr 12, 2013
http://blogs.agu.org/geospace/2013/12/12/volcanic-eruptions-bubbled-beneath-earths-largest-extinction/

MIT Siberian Flood Basalt Expedition
http://siberia.mit.edu/

Yours,

Paul H.

Araguainha Crater, Brazil, and The Permian Extinction

Araguainha Crater, Brazil, and The Permian Extinction

Biggest extinction in history caused by climate-changing meteor.
University News, University of Western Australia, July 31, 2013,
http://www.news.uwa.edu.au/201307315921/international/biggest-extinction-history-caused-climate-changing-meteor

Climate-changing meteor revisited, Science Alert, July 31. 2013
http://sciencealert.com.au/news/20130108-24642.html

The papers are:

Tohver, E., P.A. Cawood, C. Riccomini, C. Lana, and R. I. F.
Trindade, 2013, Shaking a methane fizz: Seismicity from the
Araguainha impact event and the Permian–Triassic global
carbon isotope record. Palaeogeography, Palaeoclimatology,
Palaeoecology vol. 387, pp. 66–75.
https://www.sciencedirect.com/science/article/pii/S0031018213003313
and http://uwa.academia.edu/EricTohver

Tohver, E., C. Lana, P.A. Cawood, I. Fletcher, S. Sherlock,
F. Jourdan, B. Rasmussen, R.I.F. Trindade, E. Yokoyama,
C.R. Souza Filho, and Y. Marangoni, 2012, Geochronological
constraints on a Permo–Triassic impact crater: U–Pb and
40Ar/39Ar results from the 40 km Araguainha crater of
central Brazil. Geochimica et Cosmochimica Acta. vol. 86,
pp. 214–227.
https://www.sciencedirect.com/science/article/pii/S0016703712001457
and http://uwa.academia.edu/EricTohver

Yours,

Paul H.

New Permian Extinction Paper

The Sun'll Come Out Tomorrow? Maybe Not by Brian Switek, 
Science Now, 25 October 2011
http://news.sciencemag.org/sciencenow/2011/10/the-sunll-come-out-tomorrow-mayb.html

The paper is:

Irmis, R. B., and  J. H. Whiteside, 2011, Delayed recovery of 
non-marine tetrapods after the end-Permian mass extinction 
tracks global carbon cycle. Published online before print 
October 26, 2011, doi: 10.1098/rspb.2011.1895
http://rspb.royalsocietypublishing.org/content/early/2011/10/19/rspb.2011.1895

Yours,

Paul H.

Papers on the Araguainh Impact Structure (Brazil) and Permian Extinction

Paul bristolia at yahoo.com
Tue Apr 28 23:24:47 EDT 2009

Below are some papers about the Araguainh Impact Structure.

Lana, C., R. Romano, W. U. Reimold, and J. Hippertt, 2006,
Collapse of large complex impact craters: Implications from
the Araguainha impact structure, central Brazil. Geology.
vol. 34, no. 1, pp. 9–12.

http://geology.geoscienceworld.org/cgi/content/abstract/34/1/9


Lana, C., and Y. Marangoni, 2009, The Araguainha impact:
a South American Permo–Triassic catastrophic event.
Geology Today. vol. 25 , no. 1, pp. 21-28.

http://www3.interscience.wiley.com/journal/121659122/abstract


Lana, C., C. R. S. . Filho, Y. R. Marangoni, E. Yokoyama,
R. I. F. Trindade, E. Tohver, and W. U. Reimold, 2008,
Structural evolution of the 40 km wide Araguainha impact
structure, central Brazil. Meteoritics & Planetary Science.
vol. 43, no. 4, pp. 701–716

https://digitalcommons.library.arizona.edu/objectviewer?o=uadc%3A%2F%2Fazu_maps%2FVolume43%2FNumber4%2Fb4c801ae-1277-4c90-aa90-88feae2679b6

and

http://bulletin.geoscienceworld.org/cgi/content/abstract/119/9-10/1135


Lana, C., C. R. S. Filho, Y. R. Marangoni, E. Yokoyama,
R.I.F. Trindade, E. Tohver, and W.U. Reimold, 2007, Insights
into the morphology, geometry, and post-impact erosion of the
Araguainha peak-ring structure, central Brazil. Geological
Society of America Bulletin. vol. 119, no. 9-10, pp. 1135-1150
DOI: 10.1130/B26142.

http://bulletin.geoscienceworld.org/cgi/content/abstract/119/9-10/1135


Mutter, J. R., H. Z. Tomassi, and D. A. do Carmo, 2008,
In pursuit of causes for the greatest mass extinction: the
Permo-Triassic Boundary in the Southern Hemisphere – part
II: : investigating 260 Million Years Old, Meteorite-
impacted Sedimentary Rocks In Central-west Brazil.
Vierteljahrsschrift der Naturforschenden Gesellschaft
in Zürich. vol. 153, no. ¾, pp. 81–91.

http://www.tomassi.net78.net/web_documents/mutter_tomassi_docarmo_2008.pdf

Yours,

Paul H.