PreCambrian age South American Stromatolites  

​Cut and Polished Slices of Precambrian Stromatolites from South America. Stromatolites are one of the earliest fossilized forms of life to be found. They are the result of the building process of sediments and cementations in shallow waters of cyanobacteria, or blue-green algae's.   These can be cut to display the layers that have been built up over years and years, in the same way a tree is cut to show its growth rings.   Seasonal changes may have slowed down growth or totally the opposite and this can be seen in the varying thickness of layers and different mineral content of each layer over time.    Stromatolites can still be found today in places such as Shark Bay in Australia.

The specimens you see below all come from the Eastern Andes, S. Cochabamba, Bolivia, S. America.   These are colonial Stromatolites.    They are dated to an unbelievable 2.2 to 2.4 Billion years old.  Yes That did say Billion!   Scientifically, that period of Earth's history is called the Paleoproterozoic.

Best Grade Cut and Polished Stromatolite Slices from Bolivia

Polished Stromatolite Slice 12

£11.99

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Polished Stromatolite Slice 16

£12.99
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Polished Stromatolite Slice 22

£15.99

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Polished Stromatolite Slice 2

£24.99

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Polished Stromatolite Slice 3

£24.99
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Polished Stromatolite Slice 6

£21.99

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Polished Stromatolite Slice 8

£23.99
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Polished Stromatolite Slice 25

£13.99

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Study Grade Sedimentary Stromatolites from Bolivia - on Sale

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Bolivian Stromatolite slice S4

£8.99 £4.99

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Bolivian Stromatolite slice S5

£7.99 £4.99
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Bolivian Stromatolite slice S9

£6.99 £4.99
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Bolivian Stromatolite slice S11

£7.99
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Bolivian Stromatolite slice S14

£12.99 £6.99
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Bolivian Stromatolite slice S16

£12.99 £6.99
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Bolivian Stromatolite slice S20

£12.99 £6.99
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Bolivian Stromatolite slice S21

£5.99 £4.99
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Bolivian Stromatolite slice S23

£5.99 £4.99
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Bolivian Stromatolite slice S24

£9.99 £5.99
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Bolivian Stromatolite slice S18

£6.99 £4.99

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Bolivian Stromatolite slice S27

£9.99 £5.99
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Bolivian Stromatolite slice S26

£7.99 £5.99
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Australian/South Africa Stromatolites
Precambrian age Tiger Iron Stromatolites from Western Australia.  Banded Iron hematite replaced colonial Stromatolites.  These are highly polished top grade specimens.  They look amazing in real life far better than any picture can show!

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Tiger Iron Polished Slice South Africa 22

£18.99 £11.99
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Tiger Iron Polished Slice South Africa 9

£13.99

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Tiger Iron Polished Slice South Africa 10

£13.99

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