Table 1 Summary of cyanide abundances in meteorites

From: Organometallic compounds as carriers of extraterrestrial cyanide in primitive meteorites

Meteorite

Type

C (wt. %)

N (wt. %)

CN abundance

(nmol·g−1 meteorite)d

Aqueous alteration scale for CMs

ALH 83100

CM1/2

1.90a

0.070a

50 ± 1

1.1c

Murchison

CM2

2.08a

0.105a

95 ± 1

1.6c

LEW 90500

CM2

1.84 ± 0.04a

0.094 ± 0.004a

148 ± 6

1.6c

LON 94102

CM2

2.06 ± 0.05a

0.123 ± 0.003a

421 ± 26

1.8c

LEW 85311

CM2

2.03a

0.156a

2472 ± 38

1.9c

RBT 04133

CV3 (reduced)

0.06b

 

<0.1

 

GRA 06100

CR2 (heated)

0.20 ± 0.01c

0.010 ± 0.001c

<0.1

 

ALH 84001

orthopyroxenite (martian)

  

<0.1

 
  1. aFrom ref. 14
  2. bFrom ref. 15
  3. cFrom ref. 16
  4. dThe error was calculated as the standard error of the mean from four measurements using mass and fluorescence data.
  5. Source data are provided as a Source Data file
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