Anne Arundel county . *,-- Fig. 2.—view showing the contact of the aouia AND nanjemoy FORMATIONS IN VALLEY OF BEARD CREEK. Maryland Geological Survey 81 6 inches in diameter. This shell when broken open is found to containcomparatively fresh glauconitic sand, doubtless due to its preservationfrom the action of the weather by the dense protecting layer of limoniteThese concretions occur in large number in a road cutting a little overf of a mile east of Chesterfield. The general appearance of an exposure of Monmouth in this county isas a bank of rather homogeneous sand more or less mottled
Anne Arundel county . *,-- Fig. 2.—view showing the contact of the aouia AND nanjemoy FORMATIONS IN VALLEY OF BEARD CREEK. Maryland Geological Survey 81 6 inches in diameter. This shell when broken open is found to containcomparatively fresh glauconitic sand, doubtless due to its preservationfrom the action of the weather by the dense protecting layer of limoniteThese concretions occur in large number in a road cutting a little overf of a mile east of Chesterfield. The general appearance of an exposure of Monmouth in this county isas a bank of rather homogeneous sand more or less mottled red brownand gray. A rather generalized section, not all exposed in one verticalsuccession, is found in a road cutting just west of Waterbury Station, andis as follows: FeetMiocene ... .Buff loose sand, overlying impure diatomaceous earth 6 Aquia Brown argillaceous micaceous sandy loam, grad-ing into member below 7 Greensand, with a few small pebbles 2 Greensand, mostly weathered a rich brown,often indurated especia
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Keywords: ., bookauthormarylandgeologicalsur, bookcentury1900, bookdecade1910
