Thin Sections - 35mm Slides

Well: McKittrick 418

Depth: 1228.8-1230.4

     

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Depth: 1228.8

Slide #2
Microscope Magnification : 200X
Approximated Field Width : 0.5 mm
1228.8 V Plane Polarized Transmitted Light. This .5mm field shows a few pyrite grains.


Slide #3
Microscope Magnification : 200X
Approximated Field Width : 0.5 mm
1228.8 V Reflected light; Same as previous.


Slide #4
Microscope Magnification : 200X
Approximated Field Width : 0.5 mm
1228.9 H Reflected light. Pyrite is not framboidal but filling holes in microfossils. Note also non-pyritized microfossil.


Depth: 1230.4

Slide #5
Microscope Magnification : 100X
Approximated Field Width : 1mm
1230.4 B photo shows hydrocarbon filled fractures and microfossils structures.


Slide #6
Microscope Magnification : 40X
Approximated Field Width : 2.5 mm
1230.4 Transmitted Plane Polarized Light + Reflected: These large cracks appear to be associated with compositional changes >> not due to prep.