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Huckitta   contributed by Bill Mikuska   MetBul Link


Roll Overs:     #1   #2   #3   #4    


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View all entries for   Meteorite (8)   Bill Mikuska (22)


Copyright (c) all material by Bill C. Mikuska.

What is a thin section?       What do all the colors mean?    
Thin Section.   Pallasite, PMG-an

TKW 2.3 tons. Fall not observed. Found 1924, Northern Territory, Australia.

 


Bill writes:
Portions of this pallasite classed meteorite show extreme terrestrial weathering as evidenced in some the photomicrographic images below. Again, as in a previous MPOD submission, Coldwater, hematite is clearly evident.

Images 1 and 2 are from a thin section received from Russ Kempton. Image 1 is viewed simultaneously in raking white reflected and transmitted white light (one polar on each light source). Photomicrograph 2 is imaged in transmitted white light with crossed linear polars without any accessory plates. Coloration of the olivine is dependent on the relative nickel:iron ratio for a given sample thickness and crystal grain orientation.

Images 3 and 4 are imaged with crossed polars with transmitted white light and no accessory plates. This thin section was purchased from Anne Black. Is there a dragon in image 4?
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#1

#2

#3

#4
Found at the arrow (green or red) on the map below
 


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NWA 15134
Shun-Chung Yang

This Month

2 pictures in the Queue
Bernd Pauli
 8/29/2022 3:43:29 PM		 Yes, Al, picture #4 definitely shows a taradactle bird ;-)
AL Mitterling
 8/29/2022 12:37:47 PM		 Hi Anne and all, I also see a beefy teradackle in the thinsection shots.
Anne Black
 8/29/2022 11:41:08 AM		 Yes, Bill. There is fiery dragon in this thin-section of Huckitta!!! A very thin dragon! :-)
 

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