The Quarterly journal of the Geological Society of London . T. W. Eeader photo. Fig. 2. View of another Portion of the same Quarry, SHOWING THE HAM-HILL T. W. Reader photo. ri = Sand; 2 = Biddings ; 3 = Ham-Hill Building-Stone.] CON T E N T S. PAPERS READ. Page 3. Mr. R. D. Oldham on a Seasonal Variation in the Frequency of Earthquakes (Plate XII) 99 4. Dr. Sherlock on the Geology & Genesis of the Trefriw Pyrites Deposit. 106 5. Mr. J. Morrison on the Shap Minor Intrusions (Plate XIII) 116 6. Mr. L. Richardson on the Inferior Oolite & Contiguous Deposits of the Crewkerne


The Quarterly journal of the Geological Society of London . T. W. Eeader photo. Fig. 2. View of another Portion of the same Quarry, SHOWING THE HAM-HILL T. W. Reader photo. ri = Sand; 2 = Biddings ; 3 = Ham-Hill Building-Stone.] CON T E N T S. PAPERS READ. Page 3. Mr. R. D. Oldham on a Seasonal Variation in the Frequency of Earthquakes (Plate XII) 99 4. Dr. Sherlock on the Geology & Genesis of the Trefriw Pyrites Deposit. 106 5. Mr. J. Morrison on the Shap Minor Intrusions (Plate XIII) 116 6. Mr. L. Richardson on the Inferior Oolite & Contiguous Deposits of the Crewkerne District, Somerset (Plates XIV-XVI) 145 [The Editor of the Quarterly Journal is directed to make it known to the Publicthat the Authors alone are responsible for the facts and opinionscontained in their respective Papers.] *#* The Council request that all communications intended for publication by theSociety shall be clearly and legibly written on one side of the paper only, withproper references, and in all respects in fit condition for beingat once placed in the Printers hands. Unless this is done, it will be inthe discretion of the Officers to return t


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Keywords: ., bookcentury1800, bookdecade1840, bookidquarte, booksubjectgeology