Further reliques of Constance Naden : being Essays and tracts for our times / edited, with an naalytical and critical introduction, and notes, by George MMcCrie . PROBABLE SECTION OF RAILWAY CUTTING AT HARBURY. The Rhcetic of Harbury is covered by the Lower Liasquarried for lime, and consisting of horizontal strata of lime-stone (white, weathering to yellow) and shale (black). Thefossils found are ammonites, Gryphaea incurva, scales ofganoid fishes, &c. Xote the V faults, which gradually mergeinto one, owing to decrease of tension SECTION AT HARBURY LIME-PIT*. 60 GEOLOGY OF THE BIR
Further reliques of Constance Naden : being Essays and tracts for our times / edited, with an naalytical and critical introduction, and notes, by George MMcCrie . PROBABLE SECTION OF RAILWAY CUTTING AT HARBURY. The Rhcetic of Harbury is covered by the Lower Liasquarried for lime, and consisting of horizontal strata of lime-stone (white, weathering to yellow) and shale (black). Thefossils found are ammonites, Gryphaea incurva, scales ofganoid fishes, &c. Xote the V faults, which gradually mergeinto one, owing to decrease of tension SECTION AT HARBURY LIME-PIT*. 60 GEOLOGY OF THE BIRMINGHAM DISTRICT. III. Mesozoic formations unrepresented in the Birmingham district. (1) Upper Lies and Oolite. The lias is composed of layersof clays and limestones, the clays predominating and forminggreat plains, very retentive of moisture. In the Oolite, thelimestones predominate. During these periods, the seabottom gradually descended, but the descent was brokenby frequent waves of elevation, and times of rapid deposi-tion alternated with times of clear water and no deposition. (2) Cretaceous formation. To this belong the Weald Clayof Sussex and Surrey, and the Lower Greensands and Spee-ton Clay of other parts of England, grouped as LowerCretaceous or Xeocomian (from Xeufchatel); while theUpper Cretaceous consists of true chalk, resting on theUpper Greensand and a dense clay called Gault. The WealdClay is an estuarine deposit, formed during a period ofoscillation, while the Chalk marks a period during whichall central and souther
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