2017 UPDATES of MY AMATEUR IMPACT CRATER/STRUCTURE EXPLORATIONS

by: Charles O’Dale

DECEMBER

• Lac Du Bonnet – morphology

• The magnetization of rocks – Clearwater East and West

• Flynn Creek – Complex

• Wells Creek – Complex

 

NOVEMBER

• Eric Kujala – Farewell Mon Ami…

• Sudbury – Field Guide

• Calvin – complex

 

• Kentland – complex

OCTOBER

• Chicxulub – peak ring

• Ile Rouleau, Quebec – Marine magnetic and bathymetric data

• Barringer, Arizona – new guidebooks

• West Hawk, Manitoba – magnetic field intensity

• Victoria Island Structure, California – data update

• Magnetic Studies of Impacts

• CURRICULUM VITAE – 2017 RASC Service Award

• Chesapeake

• Bear Swamp

SEPTEMBER

• Manson – Radiometric Dating

• Wanapitei – Coesite paper update

• Croker Island – Ground exploration

• Montagnais – Continental shelf illustration

• Brent – Impact Meteorite Classification

• Carswell – PDF

• Fort Rae – Ground exploration

•  Mistastin – Cubic zirconia in >2370 °C impact melt records Earth’s hottest crust

• Decaturville

• Sudbury – Pseudotachylyte petrogenesis: Constraints from the Sudbury impact structure

AUGUST

• Solar Eclipse, 21 August 2017, Douglas Wyoming.

• IMPACT CRATER GLOSSARY (UPDATE: Shatter Cone, Suevite)

• St. Martin, Manitoba (new schematic)

JULY

• Nicholson Lake complex crater, NWT

• 2017 RASC GA Holleford crater expedition 

 

JUNE

• Holleford crater, Ontario – tensile cracks on south rim top.

• Plevna/Tomvale Structure – suspected

MAY

• CRATER SHAPE – Why are impact craters almost always round? (or polygonal?)

• CHARLES P.T. O’DALE – CURRICULUM VITAE (new data)

• CRATER GLOSSARY

• Pingualuit impact crater, Quebec – Did I find impact breccia at this crater?

• Merewether, Labrador – LIDAR

•  Holleford impact crater, Ontario  – Drilling information update

• Barringer impact crater, Arizona USA – profile

• Slate Islands impact crater, Ontario – shatter cone data.

• Stesky, R. M. & Halls, H. C., Structural Analysis of Shatter Cones from Slate Islands, Northern Lake Superior LUNAR AND PLANETARY SCIENCE X

• Merewether, Labrador – possible fossil methane explosion crater.

• Pingualuit impact crater, Quebec – Documentation of Dr. Meen’s first exploration of the crater.

• Sudbury, impact crater, Ontario – Abstract Updates 

• Geological Periods vs Impacts  – Periodicity in impact cratering

A tale of clusters: no resolvable periodicity in the terrestrial impact cratering record (Matthias M. M. Meier & Sanna Holm-Alwmark 2017)

• Hudson Bay Arc  – EARLY LIFE EVIDENCE

• Whitecourt impact crater , Alberta  – EJECTA UPDATED

Proximal ejecta located at the first sample site southwest of the crater rim along the A–A′ . The horizons indicated are disturbed, and represent sediment from which the ejecta was derived.

FEBRUARY

• Eclipse Lake, Labrador – U-Boat WX Station ADDED

A view of U-537 anchored in Martin Bay on Labrador Coast northern Canada : National WW2 Museum.

• YOUNGER DRYAS (YD) EXTINCTION  – NANO-DIAMOND

Comprehensive analysis of nanodiamond evidence relating to the Younger Dryas Impact Hypothesis; Tyrone L. Daulton, Sachiko Amari, Andrew C. Scott, Mark Hardiman, Nicholas Pinter, R. Scott Anderson (19 December 2016)

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“We, all of us, are what happens when a primordial mixture of hydrogen and helium evolves for so long that it begins to ask where it came from.” Jill TarterCANADIAN CRATERS