Foraminifera limestone
 >View Microscope
Fact sheet
Description: 

Darwin wrote "West coast of island: White, softish, calc-stone, containing scattered and in places very numerous small dark green round stones of chlorite(?) (soft mineral) (perhaps concretionary origin) & a few broken crystals of feldspar"

Foraminiferal limestone consisting of broken shell fragments and ovoid green masses of glauconite. Collected in Dec 1835.

In Place
In Time
Location description: 
New Zealand (North Island)
Accuracy:
Location precision: 
Poor
Timescale:
Not known
Ma = Millions of years ago
In Focus
Theme:

Theme:

What\
Type:
Type: 
sedimentary
What\
Category:

Category:

What\
Rock-forming minerals:

Rock forming mineral:

What\