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TRANSACTIONS

OF THE

HULL

GEOLOGICAL

SOCIETY

REPORT OF THE EAST RIDING BOULDER COMMITTEE. 1898.

Reported by Mr. W. H. CFOFTS, Hull.

EASINGTON. A specimen of Post-Archaen granite from Angermanland or Aland. First specimen recognised by Dr. Munthe (see last year's report).

Reported by Mr. J. F. ROBINSON, Hull.

WASSAND near HORNSEA. Behind Wassand Hall,. Coarse basalt. 4 x 3 x 2½ feet. Subangular.

Reported by Mr. HAROLD SALES, Hull.

WlLLERBY, near HULL. At the east end of the Hull. and Barnsley Railway cutting, west of this village, there is boulder clay 4 or 5 feet in depth resting on chalk for some distance, 50 feet above sea level. The clay, which contains much chalk in small pieces, is blue jointed and of the red Hessle type, but distinctly greyer down- wards.

The following 38 boulders were noted, all of which were 6 inches and upwards in diameter.

6 Carboniferous limestone, striated.
5 Whinstone, deeply weathered.
6 Sandstone, probably Carboniferous.
3 Secondary rocks.
8 Granite, gneiss, etc.

Also a small boulder of rhomb-porphyry 2 x 2 x 1 inches. Several specimens of Belemnitella lanceolata (Schloth}, a form foreign to the Yorkshire chalk; many black flints, lower Lias fossils, etc.

Reported by Mr. THOS. SHEPPARD, Hull.

ATWICK. Shap granite. 38 x 32 x 28 inches.

BROUGH. Rhomb porphyry, 5 inches in diameter, rounded and much weathered, too feet above O.D., in the Mill Hill gravel quarry.

DIMLINGTON. Augite Syenite, 18 x 15 x 15 inches, in the Basement Clay.

HOLMPTON Shap Granite, a pebble.

HORNSEA. Shap Granite, a pebble in the purple clay.

WITHERNSEA. Shap Granite, two boulders. From the cliffs and beach, 36 specimens of Belemnitella lanceolata. Also numerous black and pink flints.

Reported by Mr. J. W. STATHER, F.G.S.

SCALBY MILLS near SCARBOROUGH.

When making the new rifle range near here, in September, 1897, the following section in boulder clay was visible:-

Upper clay (red) ...... 20 feet.
Lower clay (grey) ...... 20 feet.
[total] 40 feet,

Of the many hundreds of boulders thrown aside by the workmen, from 50 to 75 per cent. were Estuarine Sandstone from the adjacent beds. The remainder consisted of Carboniferous rocks, Whinstone, a few nondescript igneous types, and some secondary rocks, among which were two planed and striated boulders of chalk, each about 8 inches in diameter. .

BURNISTON near SCARBOROUGH.

In the bay (one mile broad) between Cromer point and Long Nab, is a group of 11 Shap Granite boulders, the largest of which is 6 x 5 x 5 feet.

J.W. STATHER, Secretary.

[Note -This article has been scanned in from original printed format and then put through an OCR program by Mike Horne. The process may have introduced some new spelling errors to the texts. Some original misspellings have been corrected.]