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CLASSIFICAZIONE METEORITI

IMCA Meteorites101
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Ensisheim 2008
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Lunar Achondrites 


Feldspathic breccias 
Regolith breccia 
Fragmental breccia 
Impact melt breccia 
Granulitic breccia 
Mafic-rich 
Thorium-rich 
KREEP-rich 

Mingled Breccia 
Mare Basalt
    


 

 

 

 

 

Mars Achondrites

Shergottite 
Pyroxene-phyric basaltic shergottite 
Olivine-phyric basaltic shergottite 
Olivine-orthopyroxene-phyric basaltic shergottite 
Pyroxene-peridotitic (Wehrlitic) shergottite 
Lherzolitic shergottite 
Diabasic shergottite 

Nakhlite 
Chassignite 
Orthopyroxenite (ALH 84001)
 

 
  ACHONDRITES      
 

Howardite (subdivided into fragmental breccia and regolith breccia) 
Eucrite (monomict and polymict with each having subclasses) 
Diogenite (monomict and polymict) 
Olivine Diogenite 
Dunite 
Ureilite (monomict and polymict)

Other Achondrites : 

Angrites (Plutonic and Basaltic) 
Brachinite 
Aubrite 
ungrouped achondrites (Ibitira, Pasamonte, etc)



 

 
   
  Other Achondrites      
 
Angrites (Plutonic and Basaltic) 
Brachinite 
Aubrite 
ungrouped achondrites (Ibitira, Pasamonte, etc)
   
  CARBONACEUS CHONDRITES    
 

CI (Ivuna) 
CM1 (Mighei) 
CM2 (subdivided into CM2.0 to CM2.6) 
CM3 
CO3 (Ornans) (subdivided into CO3.03 to CO3.7) 
CV (Vigarano) (also CV2 and CV3) 
CK (Karoonda) (CK4, CK5, CK6) 
CR (Renazzo) (CR1, CR2, CR3) 
CB (Bencubbin) 
CH 
C ungrouped 
C2 ungrouped (Tagish Lake) 
CR ungrouped 
C4 ungrouped

Ordinary Chondrites :

Rumuruti R3 (subdivided into R3.5-6 to R3.9) 
R4 
R5 
R6

LL (subdivided into LL3.0 to LL3.9) 
LL4 
LL5 
LL5/6

LL6 
LL6/7 
LL7 
LL impact melt

LL transitional (L/LL3 to L/LL6) 
L (subdivided into L3.0 to L3.9) 
L4 
L5 
L6 
L6/7 
L7 
L impact melt 

H/L transitional (H/L3 to H/L6 IMB, H/L3.6 to H/L3-4) 
H (subdivided into H3.0 to H3.9) 
H4 
H5 
H6 
H7 
H impact melt 
ungrouped ordinary chondrites

   
Enstatite Chondrites
 
EL (EL3 to EL7) 
EL impact melt 
EH/L 
EH (EH3 to EH7) 
EH impact melt 
ungrouped enstatite chondrites 
K (Kakangari) 
Meta-chondrites (M-CV, M-CR, M-H, M-LL)

 

 

 

 
   
Primitive Chondrites
Acapulcoite 
Lodranite 
Winonaites 
ungrouped primitive chondrites
IRON  
 
The main structural groups, and not the various grouplets and chemical sub-types of each main group. 

Listing all of the known sub-types of irons would require a LONG list resembling a flow-chart. 

IAB 
IC 
IIAB 
IIC 
IID 
IIE 
IIF 
IIG 
IIIAB 
IIIE 
IIIF 
IVA 
IVB 
ungrouped irons
 
STONY-IRONS  

Mesosiderites (1A,1B,2A,2B,2C,3A,3B,4A,4B) 
ungrouped mesosiderites 

Pallasites (Main Group, Eagle Station group, Pyroxene group) 
Pallasite-am (anomalous, PMG-am, PMG-as) 
ungrouped pallasites
 
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