carbonaceous chondrite Comparison Table

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carbonaceous chondrite comparison table

Subject has metal abundance has refractory inclusion abundance has olivine and low Ca pyroxene homogeneity has part feldspar has metamorphism mechanism has degree of secondary process has chondrule glass type has chondrule abundance has part chondrule has prototype has degree of aqueous alteration has structural state of low Ca pyroxene has part matrix has volatile content has degree of thermal metamorphism has matrix abundance has part carbon has petrologic type has part maximum bulk Ni in metal has composition is a kind of has part water has tenacity has chondrule mean diameter has part sulfide Ni content

CH chondrite 20 % by volume 0.1 % by volume greater than 5 % deviations minor primary grains only clear, isotropic, variable abundance about 70 % by volume chondrules very sharply defined ALH 85085 meteorite none predominantly monoclinic clastic and minor opaque low none 5 % by volume 0.2 to 1 % by weight 3 greater than 20 % by weight, kamacite and taenite in exsolution relationship often minerals not found on Earth type 3 chondrite 0.3 to 3 % by weight 0.02 millimeters less than 0.5 % by weight

CI chondrite 0 % by volume less than 1 % by volume usually plagioclase tectosilicate aqueous altermation providing insight into geological evolution of parent asteroid less than 1 % by volume no chondrules Ivuna meteorite strong definition goes here all fine-grained, opaque high greater than 99 % by volume 3 to 5 % by weight 1 often minerals not found on Earth type 1 chondrite 18 to 22 % by weight friable no chondrules

CK chondrite 0.01 % by volume 4 % by volume usually plagioclase tectosilicate 15 % by volume small sphere of about 1 mm diameter of formerly melted minerals ??? meteorite definition goes here fine grained disequilibrium mixture of silicates, oxides, metal, sulfides and organic constituents 75 % by volume in weight % 3 to 6 often minerals not found on Earth anhydrous chondrite 0 % by weight (approximately) 0.7 millimeters

CM chondrite 0.1 % by volume 5 % by volume greater than 5 % deviations minor primary grains only aqueous altermation providing insight into geological evolution of parent asteroid rare 20 % by volume chondrules very sharply defined Mighei meteorite moderate predominantly monoclinic mostly fine, opaque 70 % by volume 0.8 to 2.6 % by weight 2 less than 20 % by weight; taenite minor or absent often minerals not found on Earth type 2 chondrite 2 to 16 % by weight friable 0.3 millimeters greater than 0.5 % by weight

CO chondrite 1 to 5 % by volume 13 % by volume greater than 5 % deviations minor primary grains only clear, isotropic, variable abundance 48 % by volume chondrules very sharply defined Ornans meteorite none predominantly monoclinic clastic and minor opaque none 34 % by volume 0.2 to 1 % by weight 3 greater than 20 % by weight, kamacite and taenite in exsolution relationship often minerals not found on Earth type 3 chondrite 0.3 to 3 % by weight 0.15 millimeters less than 0.5 % by weight

CR chondrite 5 to 8 % by volume 0.5 % by volume greater than 5 % deviations minor primary grains only aqueous altermation providing insight into geological evolution of parent asteroid preserved 50 to 60 % by volume chondrules very sharply defined ??? meteorite moderate predominantly monoclinic mostly fine, opaque 30 to 50 % by volume 0.8 to 2.6 % by weight 2 less than 20 % by weight; taenite minor or absent often minerals not found on Earth type 2 chondrite 2 to 16 % by weight 0.7 millimeters greater than 0.5 % by weight

CV chondrite 0 to 5 % by volume 10 % by volume greater than 5 % deviations minor primary grains only clear, isotropic, variable abundance 45 % by volume chondrules very sharply defined Vigarano meteorite weak predominantly monoclinic clastic and minor opaque none 40 % by volume 0.2 to 1 % by weight 3 greater than 20 % by weight, kamacite and taenite in exsolution relationship iron-rich olivine, calcium aluminum inclusions type 3 chondrite 0.3 to 3 % by weight 1.0 millimeters less than 0.5 % by weight

ungrouped carbonaceous chondrite in volume % in volume % usually plagioclase tectosilicate in volume % small sphere of about 1 mm diameter of formerly melted minerals definition goes here fine grained disequilibrium mixture of silicates, oxides, metal, sulfides and organic constituents in volume % in weight % often minerals not found on Earth carbonaceous chondrite in weight % millimeters

Next chondrite: ungrouped chondrite Up: chondrite Previous chondrite: anhydrous chondrite

Subject	has metal abundance	has refractory inclusion abundance	has olivine and low Ca pyroxene homogeneity	has part feldspar	has metamorphism mechanism	has degree of secondary process	has chondrule glass type	has chondrule abundance	has part chondrule	has prototype	has degree of aqueous alteration	has structural state of low Ca pyroxene	has part matrix	has volatile content	has degree of thermal metamorphism	has matrix abundance	has part carbon	has petrologic type	has part maximum bulk Ni in metal	has composition	is a kind of	has part water	has tenacity	has chondrule mean diameter	has part sulfide Ni content
CH chondrite	20 % by volume	0.1 % by volume	greater than 5 % deviations	minor primary grains only			clear, isotropic, variable abundance	about 70 % by volume	chondrules very sharply defined	ALH 85085 meteorite	none	predominantly monoclinic	clastic and minor opaque	low	none	5 % by volume	0.2 to 1 % by weight	3	greater than 20 % by weight, kamacite and taenite in exsolution relationship	often minerals not found on Earth	type 3 chondrite	0.3 to 3 % by weight		0.02 millimeters	less than 0.5 % by weight
CI chondrite	0 % by volume	less than 1 % by volume		usually plagioclase tectosilicate	aqueous altermation	providing insight into geological evolution of parent asteroid		less than 1 % by volume	no chondrules	Ivuna meteorite	strong	definition goes here	all fine-grained, opaque	high		greater than 99 % by volume	3 to 5 % by weight	1		often minerals not found on Earth	type 1 chondrite	18 to 22 % by weight	friable	no chondrules
CK chondrite	0.01 % by volume	4 % by volume		usually plagioclase tectosilicate				15 % by volume	small sphere of about 1 mm diameter of formerly melted minerals	??? meteorite		definition goes here	fine grained disequilibrium mixture of silicates, oxides, metal, sulfides and organic constituents			75 % by volume	in weight %	3 to 6		often minerals not found on Earth	anhydrous chondrite	0 % by weight (approximately)		0.7 millimeters
CM chondrite	0.1 % by volume	5 % by volume	greater than 5 % deviations	minor primary grains only	aqueous altermation	providing insight into geological evolution of parent asteroid	rare	20 % by volume	chondrules very sharply defined	Mighei meteorite	moderate	predominantly monoclinic	mostly fine, opaque			70 % by volume	0.8 to 2.6 % by weight	2	less than 20 % by weight; taenite minor or absent	often minerals not found on Earth	type 2 chondrite	2 to 16 % by weight	friable	0.3 millimeters	greater than 0.5 % by weight
CO chondrite	1 to 5 % by volume	13 % by volume	greater than 5 % deviations	minor primary grains only			clear, isotropic, variable abundance	48 % by volume	chondrules very sharply defined	Ornans meteorite	none	predominantly monoclinic	clastic and minor opaque		none	34 % by volume	0.2 to 1 % by weight	3	greater than 20 % by weight, kamacite and taenite in exsolution relationship	often minerals not found on Earth	type 3 chondrite	0.3 to 3 % by weight		0.15 millimeters	less than 0.5 % by weight
CR chondrite	5 to 8 % by volume	0.5 % by volume	greater than 5 % deviations	minor primary grains only	aqueous altermation	providing insight into geological evolution of parent asteroid	preserved	50 to 60 % by volume	chondrules very sharply defined	??? meteorite	moderate	predominantly monoclinic	mostly fine, opaque			30 to 50 % by volume	0.8 to 2.6 % by weight	2	less than 20 % by weight; taenite minor or absent	often minerals not found on Earth	type 2 chondrite	2 to 16 % by weight		0.7 millimeters	greater than 0.5 % by weight
CV chondrite	0 to 5 % by volume	10 % by volume	greater than 5 % deviations	minor primary grains only			clear, isotropic, variable abundance	45 % by volume	chondrules very sharply defined	Vigarano meteorite	weak	predominantly monoclinic	clastic and minor opaque		none	40 % by volume	0.2 to 1 % by weight	3	greater than 20 % by weight, kamacite and taenite in exsolution relationship	iron-rich olivine, calcium aluminum inclusions	type 3 chondrite	0.3 to 3 % by weight		1.0 millimeters	less than 0.5 % by weight
ungrouped carbonaceous chondrite	in volume %	in volume %		usually plagioclase tectosilicate				in volume %	small sphere of about 1 mm diameter of formerly melted minerals			definition goes here	fine grained disequilibrium mixture of silicates, oxides, metal, sulfides and organic constituents			in volume %	in weight %			often minerals not found on Earth	carbonaceous chondrite	in weight %		millimeters