TRANSACTIONS OF THE HULL GEOLOGICAL SOCIETY

Volume 5, pages 30-31

 

 

REPORTED BY THE

BOULDER COMM1TIEE OF THE

HULL GEOLOGICAL SOCIETY.

July, 26 1899

 

By Mr. W. H. CROFTS,

 

BRANTINGHAMTHORPE

Rhomb-porphyry, 3" by 2" by 2".

West of the village in the Sand-hill field.

 

By Mr. F. F. WALTON, F.G.S.

 

CONEY GARTH, near BRANDESBURTON

Rhomb-porphyry, 6" in diameter.

 

BRIGHAM HILL near NORTH FRODINGHAM.

Rhomb-porphyry.

 

By Mr. Thos. SHEPPARD., F.G.S.

 

YEDMANDALE near WEST AYTON.

Rhomb-porphyry.

 

By Mr. J. W. STATHER, F.G.S.

 

AYTON.

Garnetiferous schist.

 

BAINTON ON THE WOLDS.

Basalt, granite, grit, Brockram.

From the boulder-clay in the railway cutting east of the station.

 

BRANDESBURTON

Rhomb-porphyry- Two pebbles, 3”and 4” in diameter.

From the Barf-hill quarry.

 

CAYTON BAY.

Shap granite.

On the shore, under Red Cliff, three or four hundred yards north of the fault.

 

ELLOUGHTON, BROUGH.

Augite-syenite (Larvikite)  12” by 15” by 18”.

From the Mill Hill gravel quarry. 100 feet above O.D.

 

FILEY.

Elaeolite syenite. Two pebbles, 3 to 4 inches in diameter.

From the boulder-clay on the Cart Naze.

A mass of Upper Lias shale, 60 feet long by 30 feet broad, containing many fossils, including A. communis, Leda ovum, Belemnites sp. etc., embedded in the boulder-clay beach, south of the town. This boulder is situated 120 feet from the present cliff about half a mile south of the Mile Haven Ravine, (Primrose Valley).

Rhomb-porphyry. Two specimens from the brick-field on the Scarbro' Road, one mile north of Filey.

 

FLAMBRO.

Rhomb-porphyry. 3" in diameter.

Brick-field, west of village.

 

GARTON ON THE WOLDS.

Rhomb-porphyry. Two pebbles, each about 3" in diameter.

From the Craike Hill Quarry.

 

GANTON.

Shap granite, 2 1/2 ' by 2 ' by 3'.

Used as buttress to South East corner of the Greyhound Inn.

Obviously removed to its present position.

 

GRISTHORPE.

Rhomb-porphyry. Granite from Angermanland.

Collected on the Beach.

 

RUDSTON.

Rhomb-porphyry. 3" in diameter.

Found with numerous other boulders of the usual Holderness type, in small quarry opened in the Gypsey gravels, 1½ miles north of the village on the road to North Burton.

 

SEAMER

Basaltic Rock, 3' by 2' by 2'. 200 feet above O.D.

Seamer Moor Lane, immediately north of Way-Dale Lane end.

 

SPEETON.

Rhomb-porphyry. Silurian (?) fossiliferous Rock.

400 feet above O.D. From the moraine on which Speeton Mill stands.

 

THORNWICK BAY, FLAMBRO.

Augite syenite. (Larvikite). 4" by 3" by 3”.

 

NOTE. Following Mr. C. Reid's surmise in the Holderness Memoir, we have become accustomed to regard Denmark as the source of the pink flints, common in the boulder-clays of Holderness. This is an error, as Dr. A. Jessen, of the Danish Geological Survey, recently informed the Secretary (Mr. Stather) that pink flints do not occur either in the Cretaceous Rocks or the Drifts of Denmark, and are quite unknown there.

 

JNO. W. STATHER, Hon. Secretary.

 

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