| Locality type: | Cliff |
| Classification |
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| Species: | Anorthite |
| Formula: | Ca(Al2Si2O8) |
| Comments: | CONFIRMATION REQUIRED
A single vein of brittle, transparent material comprising three layers:
An inner layer of an indeterminate mineral (possibly also a Feldspar) sandwiched between thin layers (<1mm thickness) of clear, white plates of Anorthite which produce a display of specular reflections from the single perfect cleavage.
In situ, this material appears as a series of brilliant, sparkling points within a shadowed vein within the Serpentinite. |
| Habit: | Tabular, anhedral and space-filling. To about 10mm across. |
| Colour: | Transparent, white. |
| Quality for species: | Poor for species, only of interest for locality collectors. (#) |
| Abundance at site: | Very Rare |
| Confirmation |
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| Validity: | Unconfirmed/Questioned |
| Associated Minerals Based on Photo Data: |
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| Bastite | ⓘ1 photo of Anorthite associated with Bastite at this locality. |
| Calcite | ⓘ1 photo of Anorthite associated with Calcite at this locality. |
| Data |
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| Mineral Data: | Click here to view Anorthite data |
| Locality Data: | Click here to view Thorny Cliff, Kennack Cove (Kennack Sands), Kennack, Grade-Ruan, Cornwall, England, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 983999 |
| Long-form Identifier: | 1:3:983999:1 |
| GUID (UUID V4): | f2ab5886-997f-4562-ad1f-fbe7ae5a8a81 |
| Nearest other occurrences of Anorthite |
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| 5.5km (3.4 miles) | ⓘCoverack Cove, Coverack, St Keverne, Cornwall, England, UK |
| 6.3km (3.9 miles) | ⓘMan O'War, Landewednack, Cornwall, England, UK |
| 8.2km (5.1 miles) | ⓘDean Quarry, St Keverne, Cornwall, England, UK |
| 71.2km (44.2 miles) | ⓘClicker Tor Quarry, Lower Clicker, Menheniot, Cornwall, England, UK |
| References |
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| Reference Search (possible matching items) |
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 | | Report (edition) | | clistauce. MEMOIRS OF THE GEOLOGICAL SURVEY. ENGLAND AND WALES. EXPLANATION OF SHEET 359. THE GEOLOGY...32, and in his classic Report on the Geology of Cornwall ., Devon and West Somerset. The district has now...supplied at the cost of drawing and colouring. CORNWALL. 75 NE., SE., by J. B. HILL; lodes by D. A. Mac...the Lizard Reefs The Polpeor Dykes ... ... The Kennack Dykes .. . ... Metamorphism of the Dolerite Dykes..... ... Distribution of the Kennack Gneisses ... Relations of the Kennack Gneisses to the older Rocks |  | | | | MEMOIRS OF THE GEOLOGICAL SURVEY OF GREAT BRITAIN ENGLAND AND WALES Geology of the Lizard and Meneage (Explanation...32, and 1n his classic Report on the Geology of Cornwall, Devon and West Somerset. The ?istrict has now...; drainage and streams, 6 ; coastal scenery and cliff features, 7 ; Raised Beaches and buried forests...details of petrography, 97. go CHAPTER X. The Kennack Gneisses General characters, 99 ; nature of the...XVIII. Pliocene Deposits ... Pliocene deposits of Cornwall, St. Erth, St. Agnes, 165 ; Crousa Down gravels |  | | Report (edition) | | MEMOIRS OF THE GEOLOGICAL SURVEY OF GREAT BRITAIN ENGLAND AND WALES Geology of the Lizard and Meneage (Explanation...32, and 1n his classic Report on the Geology of Cornwall, Devon and West Somerset. The ?istrict has now...; drainage and streams, 6 ; coastal scenery and cliff features, 7 ; Raised Beaches and buried forests...details of petrography, 97. go CHAPTER X. The Kennack Gneisses General characters, 99 ; nature of the...XVIII. Pliocene Deposits ... Pliocene deposits of Cornwall, St. Erth, St. Agnes, 165 ; Crousa Down gravels | | | Report (edition) | | MEMOIRS OF THE GEOLOGICAL SURVEY OF GREAT BRITAIN ENGLAND AND WALES Geology of the Lizard and Meneage (Explanation...1 1912 1946 1954 1 973 I • ••• I{ YNANCF COVE l·R0'\1 "fl-IE NORfll-WEST (A 570) • •• 111...32, and 1n his cl�ss1c Report on the Geology of Cornwall, Devon and West So-merset. The district has now...; drainage and streams, 6; coastal scenery and cliff features, 7 ; Raised Beaches and buried forests...petrography, 97. ... . .. ... ... ... CHAPTER X. The Kennack Gneisses General ch(\racters, 99 ; nature of the |  | | Book | | Igneous Rocks of South-West England THE GEOLOGICAL CONSERVATION REVIEW SERIES The comparatively small...M. C. Gyopari S. Igneous Rocks of South-West England P. A. Floyd, C. S. Exley and M. T. Styles 6. ...D. R. Bridgland Igneous Rocks of South-West England P. A. Floyd Department of Geology, University of...study, or criticism or review, as permitted under the UK Copyright Designs and Patents Act, 1988, this publication...licences issued by the Copyright Licensing Agency in the UK, or in accordance with the terms of licences issued |
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Thorny Cliff, Kennack Cove, Kennack, Grade-Ruan, Cornwall, England, UK