Annual report of the Regents (1900) (14776501094)

Identifier: annualreportof5421900newy (find matches)
Title: Annual report of the Regents
Year: 1889 (1880s)
Authors: New York State Museum University of the State of New York. Board of Regents
Subjects: New York State Museum Science
Publisher: Albany : J.B. Lyon, State Printer
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library



Text Appearing Before Image:
d runs from 50 to 60 feet in thickness. Aboutone mile and a half east of Southold is a bed of mottled blue potteryclay which has been used for a number of years in making flowerpots. The depth of this deposit is not known. At West Deerpark is a clay bank of unique appearance. InJuly 1892 the section showed: Yellow gravel 6 feet Containing ) Flesh colored clay 6 concretions f Ked clay 1 foot Black clay with pyrite 4 feet Black sandy clay 4 Red sandy clay 3 Total thickness 24 Lenticular masses of gray sand are sometimes found in theblack clay. The black clay also contains frustules ofMelosira granulata, (Ehr.) Ralfs, and numbers of ajointed yellowish brown hair, resembling those of a crustacean.The black clay burns to a white brick. About 4 miles west of thislocality near Farmingdale the section in Myerss clay pit is: Sand and gravel 6 feet Red sandy clay 6 Yellow and red sand, wavy lamination 2 ^ Reddish yellow clay 6 Reddish blue clay 20 Micaceous sand, cross-bedded Total thickness 40
Text Appearing After Image:
CLAYS OF NEW YORK 605 About one quarter mile soutli of Myerss brick yard is that ofStewart. The section at this locality (now obliterated) as givenby Dr Merrill: Surface stratum yellow micaceous clay 35 feet Reddish and sandy clay 5 Blue black sandy clay with nodules of white pyrites. ... 25 White sand Total thickness 65 A local deposit of grayish blue sandy clay occurs at East Willis-ton. It varies in depth from 6 to 20 feet and is underlain bysand. On my last ^dsit to this locality I found a number of stemsand leaf fragments in the clay but none sufficiently well preservedfor identification. There is still some doubt as to the exact conditions under whichthe beds of clay and gravel which form the greater portion ofLong Island were deposited, but it is probable that the clays repre-sent shallow water marine deposits of Cretaceous and Tertiary age.The overlying sands and gravels have in most instances a cross-bedded structure, with a south dip, and were probably depositedby swift curr