Mineralogy of ODP Site 105-645

Cores from the upper 70 meters below seafloor (mbsf) (upper Pleistocene) at Ocean Drilling Program (ODP) Site 645 in Baffin Bay show dramatic meter-scale changes in color and mineralogy. Below this interval, mineralogical changes are more gradual to the top of the Miocene at about 550 mbsf. The Pliocene-Pleistocene section can be divided into five facies: Facies 1 - massive, poorly sorted, gravel-bearing muds; Facies 2 - gray silty clays and silty muds; Facies 3 - laminated detricarbonate silty muds; Facies 4 - silty sand and sandy silt; and Facies 5 - poorly sorted muddy sands and silty muds. Facies 4 and 5 are restricted to the Pliocene section below depths of about 275 mbsf. The mineralogical/color cycles in the upper 70 mbsf are the result of alternations between Facies 2 and three lithotypes of Facies 1: lithotype A - tan-colored, carbonate-rich, gravel-bearing mud; lithotype B - weak, red-colored, gravel-bearing mud rich in sedimentary rock fragments; and lithotype C - gray, gravel-bearing mud. A fourth lithotype, D, is restricted to depths of 168-275 mbsf and is dark gray, carbonate-poor, gravel-bearing mud. We believe that all lithotypes of Facies 1 and the sand and gravel fractions of Facies 2 and 3 were deposited by ice rafting. Depositional processes for Facies 4 and 5 probably include ice rafting and bottom- and turbidity-current transport. Data from petrographic analyses of light and heavy sand-sized grains and X-ray analyses of silt- and clay-size fractions suggest that tan-colored sediments (lithotype A of Facies 1; Facies 3) were derived mainly from Paleozoic carbonates of Ellesmere, Devon, and northern Baffin islands. Weak red sediments (lithotype B) contain significant red sedimentary clasts, reworked quartzarenite grains and clasts, and rounded colorless garnets, all derived from Proterozoic sequences of the Borden and Thule basins, and from minor Mesozoic red beds. Other sediments in the upper 335 mbsf at Site 645 contain detritus from a heterogeneous mixture of sources, including Precambrian shield terranes around Baffin Bay. Sediments from 335 to 550 mbsf (Facies 5) are rich in friable sedimentary clasts and detrital micas and contain glauconite and, in a few samples, reworked diatoms. These components suggest derivation from poorly consolidated Mesozoic-Tertiary sediments in coastal outcrops and beneath the modern shelves of northeastern Baffin Island and western Greenland. For the upper Pleistocene section (about 0-100 mbsf), marked mineralogical cyclicity is attributed to fluctuating glacial margins, calving rates, and iceberg melting rates, particularly around the northern end of Baffin Bay. Tan-colored, carbonate-rich units were derived at times of maximum advance of glaciers on Ellesmere and Devon islands, during relatively warm intervals induced by incursion of warm Atlantic surface water into the bay. At the beginning of these warmer episodes, most icebergs were contributed by glaciers near sea level around the Arctic channels, which resulted in deposition of weak red, ice-rafted units rich in Proterozoic sedimentary clasts.

Lists of books in the Harvard College Library, undated

This folder contains six leaves with undated book and shelf lists.

Nunivak Island Eskimo (Yuit) technology and material culture / James W. VanStone.

n.s. no.12(1989)

"A list of the books belonging to the late Library of Harvard College that were in the hands of the Overseers, Governors, & Students of the College & escap'd the flames," ca. 1764

This list appears to be the most comprehensive in this series. Although its contents are very similar to those of the list in Folder 2, there are some discrepancies. Entries are arranged by format (folio, quarto, octavo) and include the date the book was "delivered" (loaned), the name of the individual who borrowed it, and its author, title, and volume number. Many of the books had been out of the library for decades prior to the fire, with some loaned out since as early as 1742.

Draft of "A list of the books belonging to the late Library of Harvard College [...]," ca. 1764

This list appears to be a draft of the list in Folder 1. Although most of the entries match, there are some discrepancies.

"A Catalogue of books given to Harvard College Library," undated

Lists books donated by a Dr. Chauncy, Mr. Pemberton, Joseph Green, William W. Kitwell(?), Mr. Sec[retar]y Oliver, William Greenleaf, Moses Gill, Mr. Bradstreet, Dr. Isaac Foster, Brigadier General Royall, Nicholas Sever, M.(?) Condy, Mr. Dolbear, Rev. Mr. Harris, Mr. Browne, Stephen Greenleaf, Thomas Cushing, Mr. Orne, Mr. Agar, Mr. Marion, Mr. Fleet, Mr. Davies, Mr. Barrett, Dr. Grant, and possibly others. Entries include author, title, volume number, and occasionally format.

Description of a College Chamber (manuscript copy), ca. 1744

This humorous, rhyming poem appears to have been co-authored by Thomas Handcock of Massachusetts and Richard Waterman of Warwick, Rhode Island. The document is also signed by Catharine Waterman. Neither of the authors attended Harvard College, and the circumstances of this poem's creation are not known. The poem suggests that they composed the poem while visiting - uninvited - the room of "honest Bob." The poem describes the contents of this college chamber, including the following items: an oak table with a broken leg; paper, a pen, and sand for writing; books, including "Scotch songs," philosophy, Euclid, a book of prayer, Tillotson, and French romances; pipes and tobacco; mugs; a broken violin; copperplate and mezzotint prints; a cat; clothes; two globes; a pair of bellows; a broom; a chamber pot; a candle in a bottle; tea; cups and saucers; a letter to Chloe, to whom the room's inhabitant apparently owed money; a powder horn; a fishing net; a rusty gun; a battledore; a shuttlecock; a cannister; a pair of shoes; and a coffee mill. The poem references events related to the War of Austrian Succession (1740-1748); British Vice Admiral Edward Vernon's siege of Portobello (in present-day Panama) in 1739; the "Rushian War" (perhaps the Russo-Swedish War of 1741-1743); and the War of Jenkins' Ear (the cat in the college chamber, like British Captain Robert Jenkins, has lost an ear).