About Rocks

ImageImageImageAlthough we had gone to visit a sandstone quarry on Wednesday, the rocks there contained a few extra “ingredients”. Formed when this part of Kent and Sussex was flooded, the sand includes layers of small pebbles (top photo). There are also some rocks with this strange black ring – where carbon is magnetically attracted to a core; have to admit to not paying enough attention at the quarry, but enquiries since have the idea of iron from the local chalybeate water percolating through the stones, and making an iron (magnetic) staining. Sadly no google search can find a photo of anything like this! The last photo is from the gents toilets, which apparently was the best place to inlay the fossilised Lepidotus, a prehistoric bony fish.

I said I’d share anke’s blog: so here it is: Grosvenor Rocks don’t forget to click on the link to the extra photos

For more on local geology read “Highbrooms Society”

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