Including Original "Paul H. Letters" Copyright © 1996-2017 Paul V. Heinrich - All rights reserved.



Thursday, 24 November 2016

Digitate Opaline Silica Structures (Biosignatures ?) Found on Mars

Digitate Opaline Silica Structures (Biosignatures ?) Found on Mars

Scientists Think They Finally Found Evidence of Ancient Life on Mars. by Sage Lazzaro, Observer
http://observer.com/2016/11/scientists-think-they-finally-found-evidence-of-ancient-life-on-mars/

The paper is:

Ruff, S. W., and J. D. Farmer, 2016, Silica deposits on Mars with features resembling hot spring biosignatures at El Tatio in Chile. Nature Communications 7, Article number: 13554 (2016) doi:10.1038/ncomms13554 Received: 14 April 2016, Accepted: 13 October 2016 Published online: 17 November 2016
http://www.nature.com/articles/ncomms13554

Yours,

Paul H.

Wednesday, 23 November 2016

Review of Recent Younger Dryas Impact Hypothesis Podcast

Review of Recent Younger Dryas Impact Hypothesis Podcast

For a review by Jason Colavito of Graham Hancock's latest comments about the Younger Dryas Impact Hypothesis, look at:

Graham Hancock Appears on Joe Rogan Podcast and Spends Three and Half Hours Bashing Skeptics by Jason Colavito
http://www.jasoncolavito.com/blog/graham-hancock-appears-on-joe-rogan-podcast-and-spends-three-and-half-hours-bashing-skeptics

Yours,

Paul H.

Saturday, 19 November 2016

Origin of Alleged Impact Tsunami Chevrons Re-examined

Origin of Alleged Impact Tsunami Chevrons Re-examined

The Mystery of Chevrons Revealed
American Geophysical Union (AGU) Talk
2014 Fall Meeting, Section: Natural Hazards
https://www.youtube.com/watch?v=JnjfhhdnAzk

Related links:

Michaela Spiske
https://independent.academia.edu/MichaelaSpiske

Garcia Garcia, A-M.., Spiske, M., Tsukamoto, S., and
Schmidt, V., 2012, Sedimentology of coastal chevron
deposits – tsunamigenic versus aeolian origin. American
Geophysical Union, Fall Meeting 2012, abstract #OS33B-1821
http://adsabs.harvard.edu/abs/2012AGUFMOS33B1821G

Spiske, M., Garcia Garcia, A-M., Tsukamoto, S., and
Schmidt, V., 2013, Coastal chevron deposits –
sedimentology, methods and aeolian versus tsunamigenic
origin. Geophysical Research. Abstracts. vol. 15,
EGU2013-2892, EGU General Assembly 2013
https://www.academia.edu/28071876/Coastal_chevron_deposits_-_sedimentology_methods_and_aeolian_versus_tsunamigenic_origin

Yours,

Paul.

Friday, 18 November 2016

Drill Cores Reveal How Peak Rings of Chicxulub Crater Formed

Drill Cores Reveal How Peak Rings of Chicxulub Crater Formed

Update: Drilling of dinosaur-killing impact crater explains
buried circular hills by Eric Hand, Science News, Nov. 17, 2016
http://www.sciencemag.org/news/2016/11/update-drilling-dinosaur-killing-impact-crater-explains-buried-circular-hills

Wendel, J., 2016, Cores from crater tied to dinosaur demise
validate impact theory, Eos, 97, doi:10.1029/2016EO063123.
Published on 17 November 2016.
https://eos.org/articles/cores-crater-tied-dinosaur-demise-validate-impact-theory

the paper is:

Morgan, J. V., S. P. S. Gulick, and many others, 2016, The
formation of peak rings in large impact craters. vol. 354,
no. 6314, pp. 878-882 DOI: 10.1126/science.aah6561
http://science.sciencemag.org/content/354/6314/878

Yours,

Paul H.

Lunar impact: how the Moon’s Mare Orientale was formed

Lunar impact: how the Moon’s Mare Orientale was formed

Subsurface map of moon reveals origin of mysterious impact
crater rings by Paul Voosen, Science News, Oct. 27, 2016
http://www.sciencemag.org/news/2016/10/subsurface-map-moon-reveals-origin-mysterious-impact-crater-rings

Lunar impact: how the Moon’s Mare Orientale was formed
Astronomy Now, October 29, 2016
https://astronomynow.com/2016/10/29/lunar-impact-how-the-moons-mare-orientale-was-formed/

Insights into giant impacts on moon, Earth and Mars NASA/Jet
Propulsion Laboratory, Brown university, October 27, 2016
http://www.nasa.gov/feature/jpl/nasa-moon-mission-shares-insights-into-giant-impacts/
https://solarsystem.nasa.gov/news/2016/10/27/nasa-moon-mission-shares-insights-into-giant-impacts
https://www.sciencedaily.com/releases/2016/10/161027141000.htm
https://www.sciencedaily.com/releases/2016/10/161027142654.htm

The paper is:

Zuber, M. T., D. E. Smith, and many others, 2016, Gravity field
of the Orientale basin from the Gravity Recovery and Interior
Laboratory Mission. Science. vol. 354, no. 6311, pp. 438-441
DOI: 10.1126/science.aag0519
http://science.sciencemag.org/content/354/6311/438

Yours,

Paul H.

Sunday, 13 November 2016

Beaverhead Impact Structure Publications

Beaverhead Impact Structure Publications

McCafferty, 1995, A. E., Assessing the presence of a buried meteor impact crater using geophysical data, south-central Idaho Thesis, Colorado School of Mines. 1995.
https://dspace.library.colostate.edu/handle/11124/170341
https://dspace.library.colostate.edu/handle/11124/170341?show=full
https://dspace.library.colostate.edu/bitstream/handle/11124/170341/T4651.pdf?sequence=1&isAllowed=y

Carr, J., and Link, P.K., 1999, Neoproterozoic conglomerate and breccia in the formation of Leaton Gulch, Grouse Peak, northern Lost River Range, Idaho: Relation to Beaverhead Impact Structure,
in Hughes, S.S., and Thackray, G.D., eds., Guidebook to the Geology of Eastern Idaho: Pocatello, Idaho Museum of Natural History, p. 21-29
http://imnh.isu.edu/digitalatlas/geo/gsa/gsafrm.htm

Yours,

Paul H.

Meteorites reveal lasting drought on Mars

Meteorites reveal lasting drought on Mars

Mars' Mega-Drought Revealed in Meteorite Rust 
NASA's Mars rover Opportunity has been used to measure the weathering of meteorites on the Red Planet, revealing just how little water there is on the surface. Space, November 11, 2016
http://www.seeker.com/mars-meteorite-water-opportunity-rover-habitability-astrobiology-2089821823.html

http://www.natureworldnews.com/articles/31680/20161112/meteorites-mars-suggest-super-drought-wiped-out-alien-life.htm

The paper is:
Schröder, C., P. A. Bland, M. P. Golombek, J. W. Ashley, N. H. Warner, and J. A. Grant, 2016a, Amazonian chemical weathering rate derived from stony meteorite finds at Meridiani Planum on Mars. Nature Communications, 2016; 7: 13459 DOI: 10.1038/ncomms13459
http://www.nature.com/articles/ncomms13459
Schröder, C., P. A. Bland, M. P. Golombek, J. W. Ashley, N. H. Warner, and J. A. Grant, 2016b, Late-Amazonian chemical weathering rate for Meridiani Planum, Mars, derived from candidate stony meteorite finds. 79th Annual Meeting of the Meteoritical Society (2016)
http://www.hou.usra.edu/meetings/lpsc2015/eposter/2354.pdf
http://www.hou.usra.edu/meetings/metsoc2016/pdf/6529.pdf
Schröder, C., P. and others, nd, Properties and distribution of paired candidate stony meteorites at Meridiani Planum, Mars
https://home.dtm.ciw.edu/users/lrn/preprints/schroeder2010.pdf
Yours,
Paul H.