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Charanyca trigrammica
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Essex Field Club
Essex Field Club
registered charity
no 1113963
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We are normally open to the public at our centre at Wat Tyler Country Park every Saturday, Sunday and bank holiday between 11am and 4pm. We are also usually open on Wednesdays between 10am and 4pm.

Spring recording Record your Robin Record Common Frog Rana temporaria
Record Alexanders Smyrnium olusatrum Record Tawny Mining Bee Andrena fulva
Record Dark-edged Bee Fly Bombylius major
Record Spring Flower Bee Anthophora plumipes
Record cuckoo bee Melecta albifrons

Bob Burton Collection

Return to Bob Burton 1923 - 2014
Click on image for more details
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NoNameDescriptionLocalityGeological formationImage
BB1Pebble of rock crystalNaturally rounded pebble of transparent quartz (rock crystal). Half the pebble has been polished by hand to reveal the transparency of the quartz.Church Lane Gravel Pit, StanwayKesgrave Sands and GravelsBB1
BB2Piece of flint containing a cavity lined with medium-sized translucent quartz crystalsA white flint with a milky chalcedony centre containing a cavity lined with medium-sized translucent sparkling quartz crystals. A very attractive geode.Church Lane Gravel Pit, StanwayKesgrave Sands and GravelsBB2
BB3Calcite crystals lining cracks in a septarian nodulePart of a septarian nodule from the Anglian till with large crystals of calcite. The specimen was in two parts and has been glued together by the collector.Bradwell Quarry, near BraintreeAnglian till (boulder clay)BB3
BB4Hertfordshire puddingstoneLarge cobble of Hertfordshire puddingstone with one side cut and polished. This example is spectacular with red pebbles in a red matrix.Church Lane Gravel Pit, StanwayKesgrave Sands and GravelsBB4
BB5Hertfordshire puddingstoneLarge cobble of Hertfordshire puddingstone with one side cut and polished. This example is spectacular with yellow pebbles with red cores. The matrix is also red consisting of shards of flint.Church Lane Gravel Pit, StanwayKesgrave Sands and GravelsBB5
BB6Fossil sponge in flintCretaceous sponge preserved in flint and derived from the ChalkPresumed to be from Stanway.Kesgrave Sands and GravelsBB6
BB7Fossil coral colonyColony of coral preserved in quartz. One side has been cut and polishedChurch Lane Gravel Pit, StanwayKesgrave Sands and GravelsBB7
BB8Fossil coral colonyColony of coral preserved in quartz. One side has been cut and polishedChurch Lane Gravel Pit, StanwayKesgrave Sands and GravelsBB8
BB9Piece of flint containing a cavity lined with small, translucent quartz crystalsA brown flint with a milky chalcedony centre containing a cavity lined with small, translucent sparkling quartz crystals. Church Lane Gravel Pit, StanwayKesgrave Sands and GravelsBB9
BB10Agate?Quartz pebble, partially polished, that appears to show agate bandingPresumed to be from Stanway.Kesgrave Sands and Gravels?BB10
BB11Agate?Quartz pebble, partially cut and polished, that appears to show agate banding and cavities lined with quartz crystals.Presumed to be from Stanway.Kesgrave Sands and Gravels?BB11
BB12Fossil sponge in flintCretaceous sponge preserved in flint and derived from the Chalk. Unusually the cavity has been lined with botryoidal chalcedony. Presumed to be from Stanway.Kesgrave Sands and Gravels?BB12
BB13Piece of flint containing a cavity lined with botryoidal chalcedonyA light brown flint with a milky chalcedony centre containing a cavity lined with botryoidal chalcedony. Presumed to be from Stanway.Kesgrave Sands and GravelsBB13
BB14Fossil sponge in flintPolished pebble showing the detail of the fossil sponge. Of Cretaceous age and derived from the ChalkPresumed to be from Stanway.Kesgrave Sands and GravelsBB14
BB15Fossil sponge in flintBroken flint pebble revealing a fossil sponge. Of Cretaceous age and derived from the ChalkPresumed to be from Stanway.Kesgrave Sands and GravelsBB15
BB16Fossil sponge in flintFlint pebble cut in half and partly polished revealing a fossil sponge. Of Cretaceous age and derived from the ChalkPresumed to be from Stanway.Kesgrave Sands and GravelsBB16
BB17Fossil sponge in flintFlint pebble cut in half and polished revealing a fossil sponge. Of Cretaceous age and derived from the ChalkPresumed to be from Stanway.Kesgrave Sands and GravelsBB17
BB18Fossil bivalve in flint pebble (part and counterpart)Both halves of a flint pebble that has been split revealing a fossil bivalve. Of Cretaceous age and derived from the ChalkPresumed to be from Stanway.Kesgrave Sands and GravelsBB18