| Page 98 | RASC

M31.20141001

On 28 Apr, 2020 By rosenfel@chass....

RASC M31.20141001
Koltsovo, ordinary chondrite (H4), Kaluga District, Russia (54° 45′ 2′′N, 36° 58′ 41′′E), find 2004, 20.02 kg.
anonymous gift 2014 October 1;
fragment, φ scale = –3 (Wentworth size class=fine gravel), 6.1 × 5.9 × 3.0 cm.
0.161 gr.
...
colour range: N 4/ (Dark Gray) matrix, with N 5/ (Gray) to N 3/ (Very Dark Gray) chondrules
good
not previously published

Continue Reading

M30.20141001

On 28 Apr, 2020 By rosenfel@chass....

RASC M30.20141001
Northbranch, ordinary chondrite (H5), Kansas, USA (39° 59′ 30" N, 98° 20′ 30" W ), find 1972, 76 kg.
anonymous gift 2014 October 1
ca. 30 fragments, φ scale = 3 to –3 (Wentworth size class=fine sand to fine gravel), 0.019–0.54 cm.
0.04 gr.
...
colour range: N 3/ (Very Dark Gray) matrix
good
not previously published

Continue Reading

M29.20141001

On 28 Apr, 2020 By rosenfel@chass....

RASC M29.20141001
Lahoma, ordinary chondrite (L5), Oklahoma, USA (36° 23′N, 98° 5′W ), find 1963, 21.8 kg.
anonymous gift 2014 October 1
ca. 15 fragments, φ scale=1 to –2 (Wentworth size class=coarse sand to very fine gravel), 0.06-0.26 cm.
0.028 gr.
...
colour range: N 2.5/ (Black) matrix
good
not previously published

Continue Reading

M28.20141001

On 28 Apr, 2020 By rosenfel@chass....

RASC M28.20141001
Chelyabinsk, ordinary chondrite (LL5), Chelyabinskaya oblast’, Russia (54° 49′N, 61° 7′E), fall 2013, 1 t.
anonymous gift 2014 October 1;
3 fragments, φ scale=1 to –3 (Wentworth size class=coarse sand to fine gravel), 0.09–0.53 cm.
0.017 gr.
...
colour range: N 7/ (Light Gray) matrix, with N 4/ (Dark Gray) chondrules. Fusion crust on the two largest fragments, colour N 2.5/ (Black)
Excellent
not previously published

Continue Reading

M27.20141001

On 28 Apr, 2020 By rosenfel@chass....

RASC M27.20141001
Almahata Sitta, Ureilitean, Nubian Desert, Sudan (20° 44′ 45" N, 32° 24′ 46" E), fall 2008, 3.95 kg.
anonymous gift 2014 October 1
fragment, φ scale = 0 to –1 (Wentworth size class=very coarse sand), 0.16 × 0.12 × 0.1 cm
0.01 gr.
...
Colour range: 5YR 7/6 (Reddish Yellow) to N 2.5/ (Black)
good
not previously published

Continue Reading

M26.20141001

On 28 Apr, 2020 By rosenfel@chass....

RASC M26.20141001
Weston, ordinary chondrite (H4), Connecticut, USA (41° 16′N, 73° 16′W ), fall 1807, 150 kg.
anonymous gift 2014 October 1
fragment, φ scale = 1 to 0 (Wentworth size class=coarse sand), 0.1 × 0.08 × 0.05 cm
0.012 gr.
...
colour range: 2.5Y 8/1 White to N3/ Very Dark Gray
good
not previously published;

Continue Reading

M25.20141001

On 28 Apr, 2020 By rosenfel@chass....

RASC M25.20141001
Buzzard Coulee, ordinary chondrite (H4), Saskatchewan, Canada (52° 59′ 46′′N, 109° 50′ 53′′W ), fall 2008, 41 kg.
anonymous gift 2014 October 1
4 fragments; range of fragment sizes, φ scale=1 to -2 (Wentworth size classes=coarse sand to very fine gravel), 0.05-0.35 cm
0.051 gr.
colour range: N 7/ (Light Gray) matrix, with 2.5Y 8/1 White to N3/ Very Dark Gray chondrules
good
not previously published

Continue Reading

M24.20141001

On 28 Apr, 2020 By rosenfel@chass....

RASC M24.20141001
Lone Island Lake, medium octahedrite (IAB-sLL), Manitoba, Canada (50°0′34" N, 95° 23′7" W), find 2005, 4.8 kg.
anonymous gift 2014 October 1
fragment, φ scale= –1 to –2 (Wentworth size class=very fine gravel), 0.36 × 0.24 × 0.12 cm
0.08 gr.
...
colour range: 5Y 2.5/1. This specimen is iron shale
good
not previously published

Continue Reading

M23.20141001

On 28 Apr, 2020 By rosenfel@chass....

RASC M23.20141001
Abee, enstatite chondrite (EH4), Alberta, Canada (54°13′N, 113°W ), fall 1952 June 9, 107 kg.
anonymous gift 2014 October 1
3 fragments; range of fragment sizes φ scale = –2 to 2 (Wentworth size class=very fine gravel to fine sand), 0.06–0.30 cm
0.051gr.
...
colour range: 2.5Y 2.5/1 Black to 2.5Y 7/1 Light Gray matrix, with sparse inclusions at 2.5Y 8/3 Pale Yellow (Munsell)
good, but friable as per this type
not previously published

Continue Reading

M22.20110131

On 28 Apr, 2020 By rosenfel@chass....

RASC M22.20110131;
Northwest Africa 869 (NWA 869), L 4-6 Ordinary Chondrite, “Northwest Africa,” find 2000 (or 2001), 2000 kg;
Anonymous gift 2011 January 31;
1.1 x 0.93 x 0.77 cm;
1.41 gr;
Irregular prolate “spherule”;
Pebble, with intact fusion crust and discernible regmaglypts;
Good;
Not previously published;

Continue Reading

Pages