FOLKOVÁ KLASIFIKACE
ALLOCHEMICAL ROCKS Spar Cement Micrite Matrix
INTRA-CLASTS
LU CL >-
LIJ
Intrasparite Intramicrite
OOIDS
O
O FOSSILS
PELLETS
Oomicrite
Biosparite Biomicrite
■   cl ■ ' o- . 0
Pelsparite Pelmicrite
ORTHOCHEMICAL ROCKS
Micritic Matrix Lacking Allochems
Micrite
AUTOCHTHONOUS REEF ROCKS
Biolithite
2%
5%
10%
25%
33%
50%
Figure 3.3 Percentage estimation charts. Use for giving a rough estimate of the percentage of grains or bioclasts (fossils) or crystals (etc.) present in the rock.
DUNHAMOVA KLASIFIKACE
original components not organically bound together during deposition						Boundstones: original components organically bound during deposition		
contains lime mud			lacks mud and is grain-supported	>10% grains >2 mm		organisms act as baffles	organisms encrust and bind	organisms build a rigid 3-D framework
mud-supported		grain-supported with muddy matrix		matrix-supported	supported by >2 mm component			
< 10% grains	> 10% grains							
mudstone	wackestone	packstone	grainstone	floatstone	rudstone	baffle-stone	bindstones	frame-stone
• • *	ft	M		'   /7= KS				i-. • • . > /-
							•o    O ' —^     1 • •__ •   _ <: '—s	
							____e=> ^	—•—     > • ----- t /^i--