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■ <br />FORM 9-1861 (OCT 19721 <br />LHJr 1/i' tYPf <br />c::·_:-;~7° f~ <br />REPORT ON REFERRED FOSSILS <br />U.S. GE_OLOGICAL SURVEY <br />tlTH IH' l;·;•( <br />-~-1 <br />xx -· i <br />r··~·-·-- <br />·.• (! STF1A.'TIGRAPHIC ... i i RANGE <br />....... l--,GE~ERAL <br />'.-·.-LLOCALITY <br />I SHIPMENT <br />. NUMBER <br />l, .• ,OER.-76..;8M 1 1 <br />;: n,:,.1·r, , 11: i <br />',\(~UADRANGLE •• <br />! REGION. <br />.····--···q <br />! ·oR AREA <br />·.,i·;·· • T KINDS OF <br />•. : --~OSSILS <br />/j ~EFERRED <br />.:.,::_·l·f:lY'' <br />·,: -; REPORT. . <br />• •• : • PREPARED BY <br />DATE <br />: '_STATUS • <br />OF WORK <br />DATE <br />REPORTED <br />Field Loe. 1-7.:..1 WSGS M6610) ·,(continued):. <br />Age:. probably middle Miocene or younger, but. not certain ow.ing <br />to qualifi!;ld d_eterminations. . . _ ... <br />Environment: middle or inner subtittoral (or neritic) zon·e. <br />Field ·Loe .. 9-16..;1 (USGS Cenozoic Loe. M6616). Fire road 350 feet• <br />junction with Hampton Road in T. 1 N., R .. 3 \·Jo, Briones Reservoir <br />~iriute ~uadrangle. <br />• B fv a L v es : . <br />ANADARA?. <br />CYC LOCARD IA sp. <br />SECURELLA sp. <br />SOLE_N spa <br />·.· .. · .. Age: owing to the fragmental nature of this mater.ial and poor . <br />preservation, it isn•t possible to definitely say whether the c_ollection <br />fs from the Sobrante Formation or the San Ramon Formation. Perhaps more <br />• material Would produce additiona.l taxa that would be diagnostic of <br />provincial age. <br />Field lo~. 1-6-5 (USGS Cenozoic loco M6612). :,,200 feet N, <br />2,000 feet l~ of. SE cor. se.c. 5, T. 2_S., R. 1 W., Dublin 7-1/2 minute <br />qujdrangle. Sobrante Sandst6ne .. <br />Gastropod: <br />MARGARITES? <br />t_;' <br />.Bival_ves: • <br />ACilA cf. A. MUTA Cla~k <br />NUCULANA OCHSNER! (Anderson <br />Undetermined minute Venerid <br />and Martin) <br />@ <br />••••• REfiORT NOT TO 13~ QUOTED OR. PARAPHRASED IN. PUBLICATION WITHOUT A FINAL RECHECK BY THE <br />PALl:ONTOLOGY Al\!O STRATIGRAPHY. BRANCH. <br />.l.l