抄録
The lithology and fossils of the Numakubo gravel and silt Member (Ihara Group; Pleistocene) distributed on the riverbed of the Fujikawa at Fujinomiya，Shizuoka Prefecture are reported on in this paper.
The Numakubo gravel and silt Member is divided into three beds in ascending order: The lower beds is consisted of gravel deposited by river activity near the estuary. The middle beds, which are characterized by silt ands and, are divided into lower and upper portions. The lower portion consists of silt and sand with rootlets. The upper portion consists of silt ands and with burrows. The lower portion is deposited on the back marsh, and the upper portion is deposited on the shallow sea-bottom of the embayment. The upper beds consist of gravel and sand deposited by river activity on the back marsh. Cervus fossils have been found in the calcareous nodules included in the upper portion of the middle beds.
