Stone 1 of Level Two.
Stone 2 of Level Two.
Stone 3 of Level Two.
Stone 4 of Level Two.
This is a small green-grey argillite stone with a number of small fossil worm casts and some dark veins. I have found such stones on beaches at Riverton and near Orepuki. This one comes from Gemstone Beach.
Stone 5 of Level Two.
One side of Stone 5 of Level Two.
Stone 5 of Level Two.
Stone 5 of Level Two.
Close-ups reveal more details about the dark veins and the worm cast trace fossils:
Close up of a white intrusion in Stone 5 of Level Two.
Stone 5 of Level Two.
Close up of Stone 5 of Level Two.
Close up of Stone 5 of Level Two.
Close up of trace fossil and dark veins in Stone 5 of Level Two.
Close up of some of the dark veins in Stone 5 of Level Two.
The process of producing the images and the close-ups, using three stages of cropping along with saturation, “lightening”, and some “shadowing” (to darken the veins):
Original image.
Original image cropped.
Cropped image “saturated” and “brightened”
Stone 5 of Level Two.
Original image.
Original image cropped.
Further cropping of cropped image.
Cropped image after saturation and adjustments using lightening, darkening and brighting.
