Difference between revisions of "T W Reader geological photographs, long excursions 1914. Part 1 - index, GA 'Carreck Archive'"

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== T W Reader geological photographs, long excursions 1914. Part 1 - index, GA 'Carreck Archive' ==
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== T W Reader geological photographs, long excursions 1914. Part 1 - index, Geologists' Association 'Carreck Archive' ==
  
[http://pubs.bgs.ac.uk/publications.html?pubID=GA001#v=d&z=2&n=5&i=P802447.jp2&y=333&x=374 Link to the album]
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[http://pubs.bgs.ac.uk/publications.html?pubID=GA001#v=d&z=2&n=5&i=P802447.jp2&y=333&x=374 Link to the complete album]
  
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'''Notes:'''
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'''The P number links are currently disabled.'''
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'''Links to the album pages is work in progress in a Geologists' Association/British Geological Survey volunteer project.'''
  
 
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[[Category:Geologists' Association Carreck Archive, indexes]]

Revision as of 14:35, 23 May 2020

T W Reader geological photographs, long excursions 1914. Part 1 - index, Geologists' Association 'Carreck Archive'

Link to the complete album

Notes:

The P number links are currently disabled.

Links to the album pages is work in progress in a Geologists' Association/British Geological Survey volunteer project.

Page 5 P804095 Delabole Slate Quarry. North Cornwall, April 10th 1914. Engine House.
Page 5 P804096 Delabole Slate Quarry. North Cornwall, April 10th 1914. Stack yard and Trimming sheds.
Page 5 P804097 Delabole Slate Quarry. North Cornwall, April 10th 1914. The Brachiopod shell known as Spirifera Verneuili the natural shape of which is seen in No. 4 becomes contorted owing to slaty cleavage and is called by the Quarrymen a Butterfly - the contorted form is No. 3. [On photo: Scale with legend: Spirifera Verneuili. The 'Delabole Butterfly'].
Page 5 P804098 Delabole Slate Quarry. North Cornwall, April 10th 1914. The Brachiopod shell known as Spirifera Verneuili the natural shape of which is seen in No. 4 becomes contorted owing to slaty cleavage and is called by the Quarrymen a Butterfly - the contorted form is No. 3. [On photo: Scale with legend: Spirifera Verneuili. The 'Delabole Butterfly'].
Page 7 P804099 Delabole Slate Quarry. North Cornwall, April 10th 1914. The 'Incline' which has a length of a quarter of a mile.
Page 7 P804100 Delabole Slate Quarry. North Cornwall, April 10th 1914. View showing galleries and dip and cleavage of the slate. Beds dip S.W. at 26 degrees. Cleavage S.W. at 30 degrees.
Page 7 P804101 Delabole Slate Quarry. North Cornwall, April 10th 1914. View down the 'Incline'. The slate is Upper Devonian and of 2 varieties. The one used for roofing and the other for paving slabs.
Page 7 P804102 Delabole Slate Quarry. North Cornwall, April 10th 1914. General view of the Quarry which is half a mile in length and 700 feet deep.
Page 9 P804103 Trebarwith. North Cornwall, April 10th 1914. Trebarwith Strand (looking inland).
Page 9 P804104 Trebarwith. North Cornwall, April 10th 1914. Gull Rock. Trabarwith Strand.
Page 9 P804105 Trebarwith. North Cornwall, April 10th 1914. Crush zone above Trebarwith Strand. It lies at the top of the Trambley Cove beds. The slates are thrown into sharp undulations and zigzag folds while the lava shows 'augen' structure of solid cores in a sheared matrix.
Page 9 P804106 Trebarwith. North Cornwall, April 10th 1914. Crush zone above Trebarwith Strand. It lies at the top of the Trambley Cove beds. The slates are thrown into sharp undulations and zigzag folds while the lava shows 'augen' structure of solid cores in a sheared matrix.
Page 11 P804107 Port William. North Cornwall, April 10th 1914. Caves where faults have been eroded by the Sea in Dennis Head.
Page 11 P804108 Port William. North Cornwall, April 10th 1914. Caves in faults in the Tredorn phyllites forming Dennis Head, Port William. [People in distance].
Page 11 P804109 Port William. North Cornwall, April 10th 1914. Viewing the Promised land. Top of Trebarwith Cliff. [Group photo, with backs turned].
Page 11 P804110 Port William. North Cornwall, April 10th 1914. Cave in fault in Tredorn phyllites, Port William.
GA001 P804111 West Quarry, Trebarwith - Woolgarden Phyllites. North Cornwall, April 10th 1914.
GA001 P804112 Trebarwith - Sheared lavas. Thrust plane in middle distance. North Cornwall, April 10th 1914. [Little sketch of thrust plane].
GA001 P804113 Looking north from Port William. North Cornwall, April 10th 1914.
GA001 P804114 Quarry in Woolgarden Phyllites. West Quarry - Trebarwith. North Cornwall, April 10th 1914. [People].
GA001 P804115 Quarry in Delabole Slate looking towards Dennis Scale. North Cornwall, April 10th 1914.
GA001 P804116 Hole Beach. North Cornwall, April 10th 1914.
GA001 P804117 Dennis Scale. North Cornwall, April 10th 1914.
GA001 P804118 Tintagel. North Cornwall, April 11th 1914. Trevena Valley and Keep of King Arthur's Castle.
GA001 P804119 Tintagel. North Cornwall, April 11th 1914. Tintagel Haven and Waterfall from the top of the Island.
GA001 P804120 Tintagel. North Cornwall, April 11th 1914. Tintagel Island.
GA001 P804121 Tintagel. North Cornwall, April 11th 1914. The Waterfall - Tintagel. Added note: Woolgarden phyllites, Thrust, lava.
GA001 P804122 Tintagel. North Cornwall, April 11th 1914. King Arthur's Castle The Dining Hall showing wall built to rock.
GA001 P804123 Tintagel. North Cornwall, April 11th 1914. King Arthur's Castle The Dining Hall.
GA001 P804124 Tintagel. North Cornwall, April 11th 1914. King Arthur's Castle and Keep. Added note: Woolgarden phyllites, Barras Nose Beds, Lava, Keep on Barras Nose Beds / Woolgarden beds, Tredorn beds.
GA001 P804125 Tintagel. North Cornwall, April 11th 1914. Tintagel Castle showing the Overthrust. Added note: King A's castle, The Overthrust, Merlin's Cave.
GA001 P804126 Tintagel. North Cornwall, April 11th 1914. Section of Woolgarden Pyllites. Added note: Keep, Barras Nose Beds, Woolgarden Phyllites, Thrust, Trambley Cove Bed, Lava.
GA001 P804127 Tintagel. North Cornwall, April 11th 1914. The Waterfall from the Interior of Merlin's Cave.
GA001 P804128 Tintagel. North Cornwall, April 11th 1914. Entrance to Merlin's Cave. Added note: Crush Zone at Thrust Plane.
GA001 P804129 Tintagel. North Cornwall, April 11th 1914. The interior of Merlin's Cave showing the complete perforation of the Rock. Added note: Thrust Plane.
GA001 P804130 Tintagel Haven. North Cornwall, April 11th 1914. Added note: Woolgarden phyllites, Barras Nose Beds, Lava, Keep on Barras Nose Beds / Woolgarden beds, Tredorn beds.
GA001 P804131 Tintagel Haven. North Cornwall, April 11th 1914.
GA001 P804132 Barras Nose. North Cornwall, April 11th 1914. Added note: Magnetite Rock at base of lava, Barras Nose Beds.
GA001 P804133 Barras Nose. North Cornwall, April 11th 1914. Added note: Magnetite Rock, Lava, Barras Nose Beds.
GA001 P804134 North Cornwall, April 11th 1914. Magnetite in Rock Barras Nose.
GA001 P804135 North Cornwall, April 11th 1914. Magnetite Rock Barras Nose.
GA001 P804136 Gullastern Bay. North Cornwall, April 11th 1914. Added note: Cambeak, Short Island, Long Island, Willapark, The Bossiney Sisters.
GA001 P804137 Gullastern Bay. North Cornwall, April 11th 1914. Added note: Bossinney [sic] Sisters, Willapark.
GA001 P804138 Trevalga Cliffs. North Cornwall, April 11th 1914. Added note: Saddle Rocks Trambley Cove Beds, Lava, Pliocene Shelf, Long Island, Tredorn phyllites.
GA001 P804139 Elephant Rock Bossiney Woolgarden Phyllites. North Cornwall, April 11th 1914.
GA001 P804140 Tylands Quarry, Camelford. North Cornwall, April 12th 1914. Sections in Lime silicate hornfels, being baked by the heat of the Granite. [Person].
GA001 P804141 Tylands Quarry, Camelford. North Cornwall, April 12th 1914. This was originally a calcareous sediment. [Group photo, mostly backs turned but leader visible].
GA001 P804142 Tylands Quarry, Camelford. North Cornwall, April 12th 1914. [No photo caption] [Person].
GA001 P804143 Tylands Quarry, Camelford. North Cornwall, April 12th 1914. [No photo caption] [Person].
GA001 P804144 Grey Lake Quarry, Camelford. North Cornwall, April 12th 1914. Section in White Elvans. The Elvan dyke is quarried for roadstone and is continuous for many miles running from the northern edge of Bodmin Moor south westwards to the sea near Rock. [People].
GA001 P804145 Grey Lake Quarry, Camelford. North Cornwall, April 12th 1914. Section in White Elvans. The Elvan dyke is quarried for roadstone and is continuous for many miles running from the northern edge of Bodmin Moor south westwards to the sea near Rock. [People].
GA001 P804146 Grey Lake Quarry, Camelford. North Cornwall, April 12th 1914. This rock is a grey porphyritic quartz felsite being coarse grained in the centre with large phenocrysts of pink and yellowish orthoclase feldspar crystals but at its contact with the granite or sediment it is a very fine grained crypto crystalline rock which shows flow lines and spherulites.
GA001 P804147 Grey Lake Quarry, Camelford. North Cornwall, April 12th 1914. This rock is a grey porphyritic quartz felsite being coarse grained in the centre with large phenocrysts of pink and yellowish orthoclase feldspar crystals but at its contact with the granite or sediment it is a very fine grained crypto crystalline rock which shows flow lines and spherulites. [Person].
GA001 P804148 Rough Tor. North Cornwall, April 12th 1914. Rough Tor from the Camelford side.
GA001 P804149 Rough Tor. North Cornwall, April 12th 1914. Rough Tor from Camelford road.
GA001 P804150 Rough Tor. North Cornwall, April 12th 1914. Upper slope of Rough Tor showing the blocks of Weathered Granite which give it its name.
GA001 P804151 Rough Tor. North Cornwall, April 12th 1914. Bodmin Moor from the top of Rough Tor.
GA001 P804152 Weathered Granite on Showery Tor. North Cornwall, April 12th 1914.
GA001 P804153 Weathered Granite on Showery Tor. North Cornwall, April 12th 1914.
GA001 P804154 Weathered Granite on Showery Tor. North Cornwall, April 12th 1914.
GA001 P804155 Weathered Granite on Showery Tor. North Cornwall, April 12th 1914.
GA001 P804156 Rough Tor. North Cornwall, April 12th 1914. Weathered surface of Granite. [Old stamp for scale!].
GA001 P804157 Rough Tor. North Cornwall, April 12th 1914. Fractured surface of Granite.
GA001 P804158 Rough Tor. North Cornwall, April 12th 1914. Showing the position of the Weathered surface (Whitish portion) as detailed in the photograph above. [Person in distance].
GA001 P804159 Rough Tor. North Cornwall, April 12th 1914. Showing the position of the Weathered surface (Whitish portion) as detailed in the photograph above. [People].
GA001 P804160 Rough Tor. North Cornwall, April 13th 1914.
GA001 P804161 Rough Tor. North Cornwall, April 13th 1914.
GA001 P804162 Pentire Head. North Cornwall, April 13th 1914. Pillow lava or Spilite, a pillow showing spongy centre.
GA001 P804163 Pentire Head. North Cornwall, April 13th 1914. Pillow lava showing central hollows of the pillows and alternating concentric bands of solid and vesicular rock. Also traces of sediment between the pillows as at A. ['A' marked on photo'].
GA001 P804164 Pentire Head. North Cornwall, April 13th 1914. A Spilite lava flow. This is composed of pillows or sack shaped masses of a round or oval form averaging about 3 feet in diameter. As they were not very fluid the above triangular spaces were left between them which afterwards became filled with chert and crystalline calcite.
GA001 P804165 Pentire Head. North Cornwall, April 13th 1914. A Spilite lava flow. This is composed of pillows or sack shaped masses of a round or oval form averaging about 3 feet in diameter. As they were not very fluid the above triangular spaces were left between them which afterwards became filled with chert and crystalline calcite.
GA001 P804166 Church Hill Quarry. Large central hollow of pillow which consists of a series of alternating concentric bands of solid and amygdaloidal rock. North Cornwall, April 13th 1914.
GA001 P804167 On Pentire Head. The Sermon on the Mount. North Cornwall, April 13th 1914. [Group photo].
GA001 P804168 Spilite Church Hill Quarry. This shows the numerous amygdales which are small and flattened in the outer bands and increase in size toward the centre which is usually hollow hollow as seen above. . North Cornwall, April 13th 1914.
GA001 P804169 Fault in Daymer Bay. North Cornwall, April 13th 1914. Added note: Fault, Frasnian Beds or B?desheim Beds, Reversed Fault, Famennian Beds or Cypridinen Schiefer.
GA001 P804170 Pentire Haven - Contorted Frasnian beds. North Cornwall, April 13th 1914. [People].
GA001 P804171 Minverite Rock Quarry. North Cornwall, April 13th 1914. Added note: Minverite Rock Quarry. .
GA001 P804172 Pentire Haven - Sill in Frasnian beds. North Cornwall, April 13th 1914.
GA001 P804173 Sill of Albite diabase - Cliff Castle. Nicholas Whitley describes how 'he climbed these cones in the confident expectation of finding a Crater but was disappointed.'. North Cornwall, April 13th 1914.
GA001 P804174 Sill of Albite diabase - Cliff Castle. Nicholas Whitley describes how 'he climbed these cones in the confident expectation of finding a Crater but was disappointed.'. North Cornwall, April 13th 1914.
GA001 P804175 Sand Dunes near Rock. North Cornwall, April 13th 1914.
GA001 P804176 Raised Beach, Trebetherie Point. North Cornwall, April 13th 1914. [Group photo].
GA001 P804177 Minverite Quarry - Rock. North Cornwall, April 13th 1914. [Person].
GA001 P804178 Minverite Quarry - Rock Section. North Cornwall, April 13th 1914. [Person].
GA001 P804179 West Quarry - Rock, Minverite and Adinol. North Cornwall, April 13th 1914. [People].
GA001 P804180 Block of Adinol with Veins of Quartz. North Cornwall, April 13th 1914.
GA001 P804181 Bossiney Bay. North Cornwall, April 14th 1914. Added note: Lye Rocks, Willapark, Bossinney [sic] Sisters.
GA001 P804182 Fire Beacon, Tredorn phyllites veined with albite feldspar. North Cornwall, April 14th 1914.
GA001 P804183 St Nectan's Kieve. North Cornwall, April 14th 1914.
GA001 P804184 St Nectan's Kieve showing pot hole. North Cornwall, April 14th 1914.
GA001 P804185 Rocky Valley in Woolgarden Phyllites. North Cornwall, April 14th 1914.
GA001 P804186 Rocky Valley in Woolgarden Phyllites. The stream which has cut down by a series of pot holes and now runs at the bottom of the Gorge. North Cornwall, April 14th 1914. Added note: Barras Nose Beds.
GA001 P804187 The stream which has cut out the gorge known as the Rocky Valley. North Cornwall, April 14th 1914.
GA001 P804188 Grower Gut - junction of Upper Devonian and Carboniferous Rock. North Cornwall, April 14th 1914. Added note: Carboniferous, Upper Devonian, Tredorn phyllites, fault, level of junction.
GA001 P804189 North Cornwall, April 14th 1914. Added note: Grower Rock, Meachard Island, The Beacon radiolarian chert, Penally Point, Entrance to Boscastle Harbour, Willapark, Tredorn Phyllites.
GA001 P804190 North Cornwall, April 14th 1914. Added note: Penally, huge veins of quartz, Eastern Blackapit.
GA001 P804191 Trewethet Quarry. Dyke of schorl and quartz cutting lava due to pneumatolytic action of gases from subterranean granite. North Cornwall, April 14th 1914.
GA001 P804192 North Cornwall, April 14th 1914. [Person].
GA001 P804193 Boscastle Harbour and Vallency [sic] Valley. North Cornwall, April 14th 1914.
GA001 P804194 Contorted Carboniferous grits at Penally Point Boscastle. North Cornwall, April 14th 1914.
GA001 P804195 Contorted Carboniferous grits, Penally Point Boscastle. North Cornwall, April 14th 1914. Added note: 'horse' of quartz.
GA001 P804196 The Ladies Window, Trevalga. Typical weathering of Tredorn phyllites. North Cornwall, April 14th 1914.
GA001 P804197 Trevose Head. North Cornwall, April 15th 1914.
GA001 P804198 The Quies. Stacks of Albite diabase. North Cornwall, April 15th 1914.
GA001 P804199 Spherulite Adinol. Dinas Head. North Cornwall, April 15th 1914.
GA001 P804200 Sills of Minverite. Cataclews Quarry. North Cornwall, April 15th 1914.
GA001 P804201 Devonian Limestone with veins of Calcite - Dinas Head. North Cornwall, April 15th 1914.
GA001 P804202 Devonian silky phyllite. Dinas Head. North Cornwall, April 15th 1914.
GA001 P804203 Cataclews. North Cornwall, April 15th 1914. Minverite Quarry at Cataclews. These rocks are allied to Diabase but are typically non ophitic and rich in Biotite and brown Hornblende. This sill runs from Cataclews Point and Trevone Bay to the left bank of the River Camel at St Saviour's Cove.
GA001 P804204 Cataclews. North Cornwall, April 15th 1914. Minverite Quarry at Cataclews. These rocks are allied to Diabase but are typically non ophitic and rich in Biotite and brown Hornblende. This sill runs from Cataclews Point and Trevone Bay to the left bank of the River Camel at St Saviour's Cove. [People].
GA001 P804205 Cataclews. North Cornwall, April 15th 1914. Sections of Minverite at Cataclews Point. The Minverite occurs as Sills interfolded with slates. It is at Cataclews a rather fine grained holocrystalline aggregate of deep brown hornblende, biotite, serpentinous pseudomorphs after olivine, small crystals of Augite and decomposed feldspars with abundant grains and needles of apatite and iron ores. [People].
GA001 P804206 Cataclews. North Cornwall, April 15th 1914. Sections of Minverite at Cataclews Point. The Minverite occurs as Sills interfolded with slates. It is at Cataclews a rather fine grained holocrystalline aggregate of deep brown hornblende, biotite, serpentinous pseudomorphs after olivine, small crystals of Augite and decomposed feldspars with abundant grains and needles of apatite and iron ores. [Person].
GA001 P804207 Marble cliffs, Porthmissen, in Upper Devonian limestone. North Cornwall, April 15th 1914.
GA001 P804208 Marble cliffs, Porthmissen, in Upper Devonian limestone. North Cornwall, April 15th 1914. [People].
GA001 P804209 Marble Cliffs Porthmissen - Alternate beds of slate and limestone. North Cornwall, April 15th 1914.
GA001 P804210 Marble Cliffs Porthmissen - Alternate beds of slate and limestone. North Cornwall, April 15th 1914. Added note: Fault.
GA001 P804211 Lantern Pit. North Cornwall, April 16th 1914. Added note: Large 'stent' vein left standing.
GA001 P804212 Lantern Pit. North Cornwall, April 16th 1914. Added note: 'sand pits'.
GA001 P804213 Lantern Pit. North Cornwall, April 16th 1914.
GA001 P804214 Lantern Pit. North Cornwall, April 16th 1914. Added note: Large stent vein seen in middle.
GA001 P804215 Cleaves Pit. North Cornwall, April 16th 1914.
GA001 P804216 Cleaves Pit. North Cornwall, April 16th 1914.
GA001 P804217 Cleaves Pit. North Cornwall, April 16th 1914. Added note: 'Pigs Eggs' Kaolinized Crystals of Orthoclase. Caudledown. [Annotation on label in photo].
GA001 P804218 Cleaves Pit. North Cornwall, April 16th 1914. Added note: Caudledown Pit.
GA001 P804219 Carclaze New Pit. North Cornwall, April 16th 1914. Added note: Solid granite.
GA001 P804220 Carclaze New Pit. North Cornwall, April 16th 1914. Added note: Solid granite.
GA001 P804221 Carclaze New Pit. North Cornwall, April 16th 1914. Added note: Sand Pits.
GA001 P804222 Carclaze New Pit. North Cornwall, April 16th 1914.
GA001 P804223 North Goonbarrow showing tourmaline veins. North Cornwall, April 16th 1914.
GA001 P804224 Carclaze Old Pit. North Cornwall, April 16th 1914.
GA001 P804225 Gunbarrow [sic] Pit. North Cornwall, April 16th 1914.
GA001 P804226 Carclaze. North Cornwall, April 16th 1914. Greisen with vein of Quartz and Tourmaline. Added note: Greisen, Tourmaline, Quartz, Greisen.
GA001 P804227 Carclaze Old Pit. North Cornwall, April 16th 1914. The decomposed granite is here traversed by 'Peach' on Quartz schorl tin bearing veins which was originally worked as an open tin mine.
GA001 P804228 Carclaze Old Pit. North Cornwall, April 16th 1914. The decomposed granite is here traversed by 'Peach' on Quartz schorl tin bearing veins which was originally worked as an open tin mine.
GA001 P804229 Carclaze Old Pit. North Cornwall, April 16th 1914.
GA001 P804230 Carclaze Old Pit. North Cornwall, April 16th 1914.
GA001 P804231 St Austell Granite, Gready Quarry. North Cornwall, April 16th 1914. These three photographs shew very well the two sets of vertical jointing. No. 146 shews also horizontal jointing.
GA001 P804232 St Austell Granite, Gready Quarry. North Cornwall, April 16th 1914. These three photographs shew very well the two sets of vertical jointing. No. 146 shews also horizontal jointing.
GA001 P804233 St Austell Granite, Gready Quarry. North Cornwall, April 16th 1914. These three photographs shew very well the two sets of vertical jointing. No. 146 shews also horizontal jointing.
GA001 P804234 St Austell Granite, Gready Quarry. North Cornwall, April 16th 1914. Added note: Quartz Tourmaline rock or 'stent'.