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Sopwith Models: denudation & faultingModels showing the effect of denudation and faulting on how rock strata appear at the surface. Thomas Sopwith (1803 - 1879)
Sopwith Model II: Coal strata near NewcastleUnlike the models of generic situations this representation of coal strata was specific to a particular surveyed location in England showing several thin, and mostly hidden, coal seams
Sopwith Model VII: Denudation of mineral veinsThis model shows the influence of surface denudation and faulting on otherwise flat, horizontal strata. The discontinuity between the beds as viewed at the surface can be seen
Sopwith Model VI: Intersecting mineral veinsThis Model, rather than representing the strata as they would appear at the surface, shows how a seam of coal can be displaced in the subsurface by various modes of faulting
Sopwith Model XI: Vertical intersecting veinsThis model, when separated, shows the complex interface between faulted strata of rocks. Thomas Sopwith (1803 - 1879) was an eminent geologist
Sopwith Model XII: Mineral vein denudationThis model shows the influence of surface denudation and faulting on inclined strata, with increased complexity to the situation in Model VII
Sopwith Model VIII: Overcutting of strataThis model shows overcut strata: when the layers of rock are inclined at a gentler angle than the eroded slope, the resulting vee pattern points uphill
Sopwith Model VII: Surface denudationThis model shows the influence of surface denudation and faulting on otherwise flat, horizontal strata. The discontinuity between the beds as viewed at the surface can be seen
Sopwith Model X: Denuded basset of strataThis model shows undercut strata: when the layers of rock are inclined at a steeper angle than the eroded slope, the resulting vee pattern points downhill
Sopwith Model V: Dislocations of coal strataThis model shows that while very little coal may appear at ground level, coal seams (subject to faults and dislocations) can be found below the ground
Sopwith Model IV: Fallacious coal indicationsThis model depicts the scenario where from the surface an abundance of coal appears to exist, but there is actually very little quantity below
Sopwith Model III: Dislocation of strataThis model represents the side of a valley of denudation, with undisturbed horizontal beds of sedimentary rock when fully assembled
Sopwith Model I: Stratified rocks / denudationBlack lines in this model represent coal seams, between lighter shales and sandstones. When separated the lower section shows a gently inclined valley floor
Sopwith Model II: Coal strata nr NewcastleUnlike the models of generic situations this representation of coal strata was specific to a particular surveyed location in England showing several thin, and mostly hidden, coal seams
Cover of Thomas Sopwiths Geological Model SetThomas Sopwith (1803 - 1879) was an eminent geologist and civil engineer who pioneered methods of representing geological features
Thomas Sopwiths Geological Model SetThomas Sopwith (1803 - 1879) was an eminent geologist and civil engineer who pioneered methods of representing geological features
Yellow-billed Cuckoo, Coccyzus americanus1904 Colonsay specimen of Coccyzus americanus, held at the Natural History Museum at Tring Date: 1904
Dorsal & Ventral Isotelus platycephalusSyntype (?Holotype by monotypy) of Asaphus, now Isotelus platycephalus (Stokes, 1824) Ordovician, Black River Group; St Josephs Island, Lake Huron, Ontario Bigsby Colln. Date: 1824
Cardinal Pandoriana pandora lilicina, (dorsal)Pandoriana pandora lilicina (type specimen ), captured on May 31st, 1911 by Georges Durand, in the village of Olonne. Date: 1911
Dr Leachs 139 great auk eggDr Leachs 139 great auk (Pinguinus impennis) egg held in the Natural History Museum at Tring. The great auk was hunted to extinction in the middle of the 19th Century
Alexandrite crystalsA cluster of the gemstone alexandrite trillings, or twinned crystals. This gemstone was named after the Russian Tsar Alexander II. It can appear in both red or green
Launton MeteoriteThe Launton meteorite fell on 15 February 1830 at approximately 7.30pm, Launton village in Oxfordshire. The meteorite is of the most common type of stony meteorite, known as an ordinary chondrite
Wold Cottage meteorite (detail)The earliest surviving meteorite seen to land in the UK fell in Wold Cottage, Yorkshire, in 1795. It prompted the first serious investigation into the origin of meteorites
Wold Cottage meteoriteThe earliest surviving meteorite seen to land in the UK fell in Wold Cottage, Yorkshire, in 1795. It prompted the first serious investigation into the origin of meteorites