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Table 3

Summary of the identified distinct spectral features of different meteorite types.

Meteorite type Reference sample Distinct spectral features Remarks
Strong Weak Missing
H and L ordinary Košice (H5), Pultusk (H5), Buzzard Coulee (H4), NWA 869 (L3-6), Mocs (L5-6) Cr, Li H, CN compact Fe, Mn, Si, Mg
LL ordinary Knyahinya (L/LL5), Ragland (LL3.4), Chelyabinsk (LL5), Kheneg Ljouâd (LL5/6) often Cr, Na, K Li H, CN variable group; compact Fe, Mn, Si, Mg
CM carbonaceous Murchison (CM2) H, CN, Na, K Cr, Mn, Si Fe, Mg similar to OC
CO carbonaceous Lancé (CO3.5) H, CN Cr, Mn, Si, Li Fe, Mg similar to OC
CV carbonaceous Allende (CV3) CN Cr, Mn, Si, Li Fe, Mg similar to OC
Enstatite Eagle (EL6) Mn Cr, Li Ni Fe, Mg, Si similar to OC
Eucrite Stannern Si, Cr, Li, Al*, Ca* Mg, K Ni, H, CN
Diogenite Bilanga Cr, Si, Mg Fe, Na, K Ni moderate CN in our sample
Howardite Sariçiçek Si, Cr, Al*, Ca* Mg, K Ni, H, CN
Martian Tissint (shergottite) Si, Mn, Cr, Al*, Ca* Mg Ni
Lunar NWA 11303 Si, Al*, Ca* Fe, Mg, Cr Ni moderate H, CN in our sample
Aubrite Norton County Mg, Si Fe Ni faint H, CN in our sample
Ureilite Dhofar 1575 CN, Mg, H, Li Si, Na, K, Mn Ni
Mesosiderite Mincy Fe, Cr, Si Na, K CN moderate H in our sample
Iron Mount Joy Fe Li, Cr, Mn H, CN, Si, Mg

Notes. This guide is based on our analysis of the referenced meteorite samples ablated at conditions corresponding to the ablation of a low-velocity asteroidal meteoroid. The asterisk denotes species not detected at meteorite ablation conditions but expected to be prominent in meteor spectra.

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