Please enable JavaScript.
Coggle requires JavaScript to display documents.
Organic Matter Origin - Coggle Diagram
Organic Matter Origin
Authoctonous
Native to original positions
Allochtonous
deposition or formation that originated at a distance from original position
Types of organic matter in sediments
Organic Matter
Oxidize
Buried and preserved
Influences Oil/Gas/Coal Production
Kerogen
End of Diagenesis
Insoluble in organic solvent
Large molecular weight (Dalton)
Types
Type I
long aliphatic chain
Algal bodies
Type II
medium aliphatic chain
Marine
Plankton
Type III
aromatic rings and short chains
Higher green plants
Type IV
Oxidized woody debris
Chemistry
Biopolymer
Aliphatic or aromatic
Classification
Phytoclasts
a microscopic plant fragment present in the fossil record
Palynomorphs
a microscopic fossil composed especially of pollen or spores
Amorphous
microscopic fossils of an organism with unclear definition of shape or form
Maceral
Liptinite
high fluorescence
algal-spore like shape
low reflectance
Vitrinite
Variable reflectance
Root, wood, bark
Inertinite
dead carbon
high reflectance
Coal