Cascade of Events' Caused Cambrian Explosion
Cascade of Events' Caused Sudden Explosion of
Animal Life, Science Daily, September 19, 2013
http://www.sciencedaily.com/releases/2013/09/130919142202.htm
New Approach to Explaining Evolution's Big Bang
In-Depth, New York Times, September 19, 2013
http://www.nytimes.com/2013/09/20/science/new-approach-to-explaining-evolutions-big-bang.html
The paper is:
M. Paul Smith and David A. T. Harper. Causes of the
Cambrian Explosion. Science, 20 September 2013:
1355-1356 DOI: 10.1126/science.1239450
http://www.sciencemag.org/content/341/6152/1355
Related articles are:
Cambrian explosion was indeed marked by lightning-
fast evolution, NBCNews.com-by Tia Ghose
http://www.sciencemag.org/content/341/6152/1355
and an earlier paper about the Cambrian Explosion:
Peters, S. E., and R. R. Gaines. Formation of the ‘Great
Unconformity’ as a trigger for the Cambrian explosion.
Nature. vol. 484, no. 7394pp. 363-366.
Abstract is at:
http://www.nature.com/nature/journal/v484/n7394/full/nature10969.html
PDF file is at
http://211.144.68.84:9998/91keshi/Public/File/34/484-7394/pdf/nature10969.pdf
While Googling, I accidentally found the above paper is cited by:
Koschwanez, K. H., K. R Foster, and A. W Murray, 2013,
Improved use of a public good selects for the evolution of
undifferentiated multicellularity. eLife 2013;2:e00367.
http://labs.mcb.harvard.edu/murray/publications/Koschwanez_2013_23577233.pdf
Yours,
Paul H.
Including Original "Paul H. Letters" Copyright © 1996-2024 Paul V. Heinrich / website © 1996-2024 Dirk Ross - All rights reserved.
Monday, 23 September 2013
Thursday, 19 September 2013
Extraterrestrial Spinels
Extraterrestrial Spinels
Meteorite Minerals Hint at Earth Extinctions, Climate
Change by Jeremy Hsu, Astrobiology Magazine
http://www.astrobio.net/exclusive/5678/meteorite-minerals-hint-at-earth-extinctions-climate-change
Meteorite minerals offer clues to Earth extinctions,
climate change by Jeremy Hsu Space.com, NBC News
http://www.nbcnews.com/science/meteorite-minerals-offer-clues-earth-extinctions-climate-change-8C11167396
Yours,
Paul H.
Meteorite Minerals Hint at Earth Extinctions, Climate
Change by Jeremy Hsu, Astrobiology Magazine
http://www.astrobio.net/exclusive/5678/meteorite-minerals-hint-at-earth-extinctions-climate-change
Meteorite minerals offer clues to Earth extinctions,
climate change by Jeremy Hsu Space.com, NBC News
http://www.nbcnews.com/science/meteorite-minerals-offer-clues-earth-extinctions-climate-change-8C11167396
Yours,
Paul H.
Tuesday, 17 September 2013
Guidebook to Dinosaur Provincial Park, Alberta
Guidebook to Dinosaur Provincial Park, Alberta
Below is a guidebook to Dinosaur Provincial Park, Alberta.
Koster, E. H., 1983, Field Trip Guidebook - Sedimentology
of the Upper Cretaceous Judith River (Belly River)
Formation, Dinosaur Provincial Park, Open File Report
no. 1983-12. Alberta Research Council; Alberta Geological
Survey.
http://www.ags.gov.ab.ca/publications/abstracts/OFR_1983_12.html
http://www.ags.gov.ab.ca/publications/OFR/PDF/OFR_1983_12.PDF
Other publications about Alberta geology can be searched for at:
http://www.ags.gov.ab.ca/publications/
Dinosaur Provincial Park, Alberta
https://en.wikipedia.org/wiki/Dinosaur_Provincial_Park
http://albertaparks.ca/dinosaur.aspx
Yours,
Paul H.
Below is a guidebook to Dinosaur Provincial Park, Alberta.
Koster, E. H., 1983, Field Trip Guidebook - Sedimentology
of the Upper Cretaceous Judith River (Belly River)
Formation, Dinosaur Provincial Park, Open File Report
no. 1983-12. Alberta Research Council; Alberta Geological
Survey.
http://www.ags.gov.ab.ca/publications/abstracts/OFR_1983_12.html
http://www.ags.gov.ab.ca/publications/OFR/PDF/OFR_1983_12.PDF
Other publications about Alberta geology can be searched for at:
http://www.ags.gov.ab.ca/publications/
Dinosaur Provincial Park, Alberta
https://en.wikipedia.org/wiki/Dinosaur_Provincial_Park
http://albertaparks.ca/dinosaur.aspx
Yours,
Paul H.
Saturday, 14 September 2013
Guide to the Geology of Sudbury, Ontario, Impact Structure
Guide to the Geology of Sudbury, Ontario, Impact Structure
The below field trip guidebook should be of interest
to many of the people on the meteorite mailing list.
Rousell, D. H., and G. H. Brown, 2009, Guide to the
Geology of Sudbury, Ontario. Open File Report no. 6243,
Ontario Geological Survey, Toronto, Ontario. 200 pp.
and geological map.
61 MB PDF file at
http://www.geologyontario.mndm.gov.on.ca/mndmfiles/pub/data/imaging/ofr6243//OFR6243.pdf
Related publications are:
Pye, E. G., A. J. Naldrett, and P. E. Giblin, eds., The
Geology and ore deposits of the Sudbury Structure.
Special Volume 1, Ontario Geological Survey,
Toronto, Ontario. 603 pp with additional geological
and geophysical maps, charts, plates, and reprints.
113 MB PDF file at
http://www.geologyontario.mndmf.gov.on.ca/mndmfiles/pub/data/imaging/SV01/SV01.pdf
Rousell, D. H., 1998, Bedrock Geology of the Regional
Municipality of Sudbury. Map Series no P3187, Ontario
Geological Survey, Toronto, Ontario.
PDF file at
http://www.geologyontario.mndmf.gov.on.ca/mndmfiles/pub/data/imaging/P3187/P3187.pdf
More publications can be found using the below web pages.
Geology Ontario - Publications PDF Search
http://www.geologyontario.mndm.gov.on.ca/
Geology Ontario - Publications Search
http://www.geologyontario.mndm.gov.on.ca/
Yours,
Paul H.
The below field trip guidebook should be of interest
to many of the people on the meteorite mailing list.
Rousell, D. H., and G. H. Brown, 2009, Guide to the
Geology of Sudbury, Ontario. Open File Report no. 6243,
Ontario Geological Survey, Toronto, Ontario. 200 pp.
and geological map.
61 MB PDF file at
http://www.geologyontario.mndm.gov.on.ca/mndmfiles/pub/data/imaging/ofr6243//OFR6243.pdf
Related publications are:
Pye, E. G., A. J. Naldrett, and P. E. Giblin, eds., The
Geology and ore deposits of the Sudbury Structure.
Special Volume 1, Ontario Geological Survey,
Toronto, Ontario. 603 pp with additional geological
and geophysical maps, charts, plates, and reprints.
113 MB PDF file at
http://www.geologyontario.mndmf.gov.on.ca/mndmfiles/pub/data/imaging/SV01/SV01.pdf
Rousell, D. H., 1998, Bedrock Geology of the Regional
Municipality of Sudbury. Map Series no P3187, Ontario
Geological Survey, Toronto, Ontario.
PDF file at
http://www.geologyontario.mndmf.gov.on.ca/mndmfiles/pub/data/imaging/P3187/P3187.pdf
More publications can be found using the below web pages.
Geology Ontario - Publications PDF Search
http://www.geologyontario.mndm.gov.on.ca/
Geology Ontario - Publications Search
http://www.geologyontario.mndm.gov.on.ca/
Yours,
Paul H.
Friday, 13 September 2013
Paper About Using Exterrestrial Impacts to Explain Mass Extinctions
Paper About Using Extraterrestrial Impacts to Explain Mass Extinctions
Below is a recent paper about the evaluation of extraterrestrial
impacts in mass extinctions, which I found both thoughtful and
an interesting read.
Racki, G., 2011, The Alvarez impact theory of mass extinction;
limits to its applicability and the “great expectations syndrome”
Acta Palaeontologica Polonica, vol. 57, no. 4, pp. 681–702.
http://www.app.pan.pl/article/item/app20110058.html
http://www.bioone.org/doi/abs/10.4202/app.2011.0058
PDF file at:
http://www.app.pan.pl/archive/published/app57/app20110058.pdf
Yours,
Paul H.
Below is a recent paper about the evaluation of extraterrestrial
impacts in mass extinctions, which I found both thoughtful and
an interesting read.
Racki, G., 2011, The Alvarez impact theory of mass extinction;
limits to its applicability and the “great expectations syndrome”
Acta Palaeontologica Polonica, vol. 57, no. 4, pp. 681–702.
http://www.app.pan.pl/article/item/app20110058.html
http://www.bioone.org/doi/abs/10.4202/app.2011.0058
PDF file at:
http://www.app.pan.pl/archive/published/app57/app20110058.pdf
Yours,
Paul H.
Sunday, 8 September 2013
Online Papers for Multiple Years of NPS "Conference on Fossil Resources"
Online Papers for Multiple Years of NPS "Conference on Fossil Resources"
Either PDF files or web pages for of the 1992, 1994, 2001,
2006, 2009, and 2011 "Conference on Fossil Resources"
can be downloaded from the "Partners in Paleontology:
Conference on Fossil Resources"web page at
http://fossilresources.org/ .
1992 Conference on Fossil Resources: Web page –
http://www.nature.nps.gov/geology/paleontology/pub/grd3_3/index.htm
1992 PDF file –
http://www.nature.nps.gov/geology/paleontology/pub/grd3_3/grd3pdf.pdf
1994 Conference on Fossil Resources: PDF file –
http://www.nature.nps.gov/geology/paleontology/pub/grd4/nsp_paleo_vol4.pdf
1998 Conference on Fossil Resources: Table of Contents –
http://vertpaleo.org/PDFS/27/271792eb-1c0e-4b57-80cf-391fee7854ad.pdf
2001 Conference on Fossil Resources: web page –
http://www.nature.nps.gov/geology/paleontology/pub/fossil_conference_6/toc.htm
2006 Conference on Fossil Resources: web page –
http://www.nature.nps.gov/geology/paleontology/publications.cfm
2006 PDF file –
http://www.nature.nps.gov/geology/paleontology/pub/8CFR_2009_Proceeding_01.pdf
2009 Conference on Fossil Resources: PDF file –
http://www.nature.nps.gov/geology/paleontology/pub/8CFR_2009_Proceeding_01.pdf
and http://www.academia.edu/226013/2009_Proceedings_of_the_Eighth_Conference_on_Fossil_Resources
2011 Conference on Fossil Resources: web page –
http://fossilresources.org/9thCFR.html
PDF file - http://www.nature.nps.gov/geology/paleontology/pub/fossil_conf_9/9CFR%20proceedings.pdf
Murphey, P.C., Evanoff, E., 2011, Paleontology and
stratigraphy of the middle Eocene Bridger Formation,
southern Green River Basin,Wyoming: Proceedings
of the 9th Conference on Fossil Resources, Brigham
Young University Geology Studies. vol. 49, no. A, pp. 83-110
PDF file –
http://www.rockymountainpaleontology.com/bridger/download_pubs/Murphey_and_Evanoff_2011.pdf
More publications at –
http://www.rockymountainpaleontology.com/bridger/downloads.html
Yours,
Paul H
Either PDF files or web pages for of the 1992, 1994, 2001,
2006, 2009, and 2011 "Conference on Fossil Resources"
can be downloaded from the "Partners in Paleontology:
Conference on Fossil Resources"web page at
http://fossilresources.org/ .
1992 Conference on Fossil Resources: Web page –
http://www.nature.nps.gov/geology/paleontology/pub/grd3_3/index.htm
1992 PDF file –
http://www.nature.nps.gov/geology/paleontology/pub/grd3_3/grd3pdf.pdf
1994 Conference on Fossil Resources: PDF file –
http://www.nature.nps.gov/geology/paleontology/pub/grd4/nsp_paleo_vol4.pdf
1998 Conference on Fossil Resources: Table of Contents –
http://vertpaleo.org/PDFS/27/271792eb-1c0e-4b57-80cf-391fee7854ad.pdf
2001 Conference on Fossil Resources: web page –
http://www.nature.nps.gov/geology/paleontology/pub/fossil_conference_6/toc.htm
2006 Conference on Fossil Resources: web page –
http://www.nature.nps.gov/geology/paleontology/publications.cfm
2006 PDF file –
http://www.nature.nps.gov/geology/paleontology/pub/8CFR_2009_Proceeding_01.pdf
2009 Conference on Fossil Resources: PDF file –
http://www.nature.nps.gov/geology/paleontology/pub/8CFR_2009_Proceeding_01.pdf
and http://www.academia.edu/226013/2009_Proceedings_of_the_Eighth_Conference_on_Fossil_Resources
2011 Conference on Fossil Resources: web page –
http://fossilresources.org/9thCFR.html
PDF file - http://www.nature.nps.gov/geology/paleontology/pub/fossil_conf_9/9CFR%20proceedings.pdf
Murphey, P.C., Evanoff, E., 2011, Paleontology and
stratigraphy of the middle Eocene Bridger Formation,
southern Green River Basin,Wyoming: Proceedings
of the 9th Conference on Fossil Resources, Brigham
Young University Geology Studies. vol. 49, no. A, pp. 83-110
PDF file –
http://www.rockymountainpaleontology.com/bridger/download_pubs/Murphey_and_Evanoff_2011.pdf
More publications at –
http://www.rockymountainpaleontology.com/bridger/downloads.html
Yours,
Paul H
Monday, 2 September 2013
K-Pg Impactor was Likely Carbonaceous Chondrite Asteroid
K-Pg Impactor was Likely Carbonaceous Chondrite Asteroid
Goderis, S., R. Tagle, J. Belza, J. Smit, A. Montanari, F. Vanhaecke,
J. Erzinger, and Ph. Claeys, 2013, Reevaluation of siderophile
element abundances and ratios across the Cretaceous–Paleogene
(K–Pg) boundary: Implications for the nature of the projectile.
Geochimica et Cosmochimica Acta 120: 417–446
http://dx.doi.org/10.1016/j.gca.2013.06.010
http://www.sciencedirect.com/science/article/pii/S0016703713003438
Yours,
Paul H.
Goderis, S., R. Tagle, J. Belza, J. Smit, A. Montanari, F. Vanhaecke,
J. Erzinger, and Ph. Claeys, 2013, Reevaluation of siderophile
element abundances and ratios across the Cretaceous–Paleogene
(K–Pg) boundary: Implications for the nature of the projectile.
Geochimica et Cosmochimica Acta 120: 417–446
http://dx.doi.org/10.1016/j.gca.2013.06.010
http://www.sciencedirect.com/science/article/pii/S0016703713003438
Yours,
Paul H.
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