A large bore flexible plastic drainage pipe that collects spring-fed water off the Wealden Lower Greensand ridge runs into Cutlers Brook, near Albourne, West Sussex discharges iron rich water causing the formation of extensive globular ginger-brown masses.
Google Earth link to location.
The pipe discharges close to the junction of two footpaths at the end of the pedestrian tunnel beneath the A23 on the Albourne side.
The greensand contains the mineral glauconite, an iron potassium silicate, cvbcb
https://www.westsussex.gov.uk/media/1761/lds_wealdengreensand.pdf sussex
hurst: http://www.midsussex.gov.uk/media/2326/lca07pt3ca03hurstpierpointscarpfootslopes.pdf
The water surface also exhibited colourful interference patterns. A microscopic analysis indicated the presence of mat-forming ?fungi/bacteria composed of fine strands, 5-7 µm wide. Of note was the virtual absence of ciliated protozoa.
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Should you wish to contact me:
Unless otherwise stated all images are Copyright of Gerald Legg, naturaimaging. If you would like to use any images, then high resolution ones can be obtained by contacting me.
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.