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

Page 5	P804095	Delabole Slate Quarry. North Cornwall, April 10th 1914. Engine House.
http://pubs.bgs.ac.uk/publications.html?pubID=GA001#v=d&z=2&n=5&i=P802453.jp2&y=366&x=358 Page 7	P804096	Delabole Slate Quarry. North Cornwall, April 10th 1914. Stack yard and Trimming sheds.
GA001	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'].
GA001	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'].
GA001	P804099	Delabole Slate Quarry. North Cornwall, April 10th 1914. The 'Incline' which has a length of a quarter of a mile.
GA001	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.
GA001	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.
GA001	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.
GA001	P804103	Trebarwith. North Cornwall, April 10th 1914. Trebarwith Strand (looking inland).
GA001	P804104	Trebarwith. North Cornwall, April 10th 1914. Gull Rock. Trabarwith Strand.
GA001	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.
GA001	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.
GA001	P804107	Port William. North Cornwall, April 10th 1914. Caves where faults have been eroded by the Sea in Dennis Head.
GA001	P804108	Port William. North Cornwall, April 10th 1914. Caves in faults in the Tredorn phyllites forming Dennis Head, Port William. [People in distance].
GA001	P804109	Port William. North Cornwall, April 10th 1914. Viewing the Promised land. Top of Trebarwith Cliff. [Group photo, with backs turned].
GA001	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'.