 | | Report (volume) | | Geology of Selected Quadrangles In Massachusetts GEOLOGICAL SURVEY This volume was printed as separate...published chapters] (A) Bedrock geology of the Salem quadrangle and vicinity, Massachusetts1, by Priestley...quadrangle, Worcester and Franklin Counties, Massachusetts, by Donald F. Eschman. (D) Geology of the Taunton...Plymouth Counties, Massachusetts, by Joseph H. Hartshorn. o ; Bedrock Geology of the Salem Quadrangle and...Vicinity Massachusetts > w By PRIESTLEY TOULMIN 3d GEOLOGY OF SELECTED QUADRANGLES IN MASSACHUSETTS ~s -GEOLOGICAL |  | | Report (volume) | | 704 GEOLOGY OF THE IGNEOUS ROCKS OF ESSEX COUNTY, MASSACHUSETTS BY CHARLES H. CLAPP WASHINGTON GOVERNMENT....... 9 9 9 10 11 11 11 15 j ( Geology of Essex County...............................................group................:............................. Salem gabbro-diorite....................................... 26; . . 3 4 CONTENTS. Geology of Essex County Continued. Igneous rocks Continued. Subjacent................................................. Salem gabbro-diorite. ............................... |  | | Journal (article/letter/editorial) | | PETROGRAPHICAL COUNTY, PROVINCE MASS. I. OF ESSEX THE area of igneous rocks in Eastern Massachusetts, especially...especially in Essex county, has been, as the late Geo. H. Williams said, " more discussed than any other...pages are written. I have visited the region of Essex county several times and collected a large number of...sense of deep obligation to Mr. J. H. Sears, of Salem, who has made this region an object of study for...of its chief features. The igneous rocks of Essex county extend along the coast from Lynn to the New |  | | Report (issue) | | BEDROCK GEOLOGIC MAP OF OHE IPSWICH QUADRANGLE, MASSACHUSETTS 8 10- by William H. Dennen 11 1975 12 13..._____________ _ Cape Ann Plutonic Series 9 Salem Gabbro-diorite 9 Cape Ann^Granite i/ieu amor p... BEDROCK GEOLOGY OF THE IPSWICH QUADRANGLE, MASSACHUSETTS Introduction Rocks of the Ipswich quadrangle...quadrangle is situated on the northeastern 19 20- Massachusetts coast within the Seaboard Lowland section of...-fA9 maters on Fifteen Mile Hill in the Town of Essex to 21 -11 maters under the salt marsh at Six Goose |  | | Report (issue) | | Geology of the land area of the Boston 2° sheet, Massachusetts, Connecticut, Rhode Island and 10- New Hampshire... 16 17 18 U. S. Geological Survey Boston, Massachusetts 19 ,U. S. Geological Survey* OPEN FILE REPORT...GEOLOGY OF THE LAND AREA OF THE BOSTON 2° SHEET, MASSACHUSETTS, CONNECTICUT, RHODE ISLAND AND NEW HAMPSHIRE...consist of schist and gneiss mostly of chlorite to biotite grade of metamorphism near the fault, increasing...to the 11 foliation. 12 oligoclase, albite, biotite, and muscovite; accessory minerals are 13 magnetite |  | | Report (volume) | | OTIS SMITH, Director Bulletin 597 GEOLOGY OF MASSACHUSETTS AND RHODE ISLAND BY B. K. EMERSON WASHINGTON....................................... Worcester County, Mass....................................... Westboro...member........................... Northeastern Massachusetts..................................... General..................................... Western Massachusetts...............................................district............................. Eastern Massachusetts............................................ |  | | Journal (article/letter/editorial) | | Dr.H.E. Wadsworth—Syenite and Gabbro in Massachusetts. 207 nation of the aperture apparently round and...THE PRESENCE OF SYENITE AND GABBRO IN ESSEX COUNTY, MASSACHUSETTS. By Dr. M. E. WADSAVORTH. Syenite.—Much...—Much of the eastern coast of Essex County, Massachusetts, extending from Salem to a point beyond West Manchester...Grand, Saxony. The syenite in places contains much biotite, and also, near West Manchester, quartz grains... 208 Dr.M.E. Wadstcorth—Syenite and Gabbro in Massachusetts. region, and hence, for convenience of description |  | | Report (volume) | | Structural Dislocations in Eastern Massachusetts GEOLOGICAL SURVEY BULLETIN 1410 Structural Dislocations...Dislocations in Eastern Massachusetts By ROBERT O. CASTLE, H. ROBERTA DIXON, EDWARD S. GREW, ANDREW GRISCOM...faults and mylonite zones that form the eastern Massachusetts dislocation belt UNITED STATES GOVERNMENT PRINTING...under title: Structural dislocations in eastern Massachusetts. (Geological Survey Bulletin 1410) Bibliography:...119.3:1410 1. Faults (Geology) Massachusetts. 2. Mylonite Massachusetts. I. Castle, Robert O. II. Series: |  | | Report (issue) | | Radlometrlc Age Data Bank (RADB) of Rocks from Massachusetts by Robert E. Zartman and Richard F. Marvin...Radlometrlc Age Data Bank (RADB) of Rocks from Massachusetts Robert E. Zartman and Richard F. Marvln This...contains the records of radlometrlc ages for Massachusetts from the Radlometrlc Age Data Bank of the U...portrayed on a new bedrock geologic map of Massachusetts (Zen, 1983). The compilation Is believed to...they appear on the Bedrock Geologic Map of Massachusetts (Zen, 1983). Steiger, R. H., and Jager, E. |  | | Journal (article/letter/editorial) | | THE PETROGRAPHICAL PROVINCE MASS. IV. COUNTY, BASIC OF ESSEX DIKES By far the greater part of the...foyaite of Salem Neck and, according to Sears, the " augite-syenite " of Coney Island in Salem Harbor are...apatite. Neither biotite nor titanite were seen. 284 PETROGRAPHICAL PROUVINCE OF ESSEX COUNTY 285 The... 286 HENRY S. WASHINGTON I. Camptonite (?). Salem Neck. H. S. Washington anal. II. " Diorite-Porphyrite...specimen from a narrow dike cutting foyaite on Salem Neck is given in I. The low titanium oxide accords |  | | Catalog/List | | Albemarle Counly, Virginia ... Custer County, Colorado . Albemarle County, Virginia . Near Mesaba, l\linnesola...New York . San Juan County, Colorado Delta, Shasta County, California . Boulder County, Colorado .. ....... Newlon, Massachusetts Mt. Shasta, California " Lyon County, Nevada Hillsborough, New Brnnswick Keeseville...New York " " " .Near Keene, NC\\' York . Essex County, New York Rochester, New York Split Rock, Minnesota... Rhenish-Prus ia J:asalt. fine-gTained Chaffee County, Colorado Hornblende Basalt. coarse " J-lornblenclc |  | | Book | | MASSACHUSETTS MINERALAND FOSSIL LOCALITIES Compiled by Peter P. Gleba 'I!~·· . \. i r,'"--""'4' I...publication. Peter P. Gleba December 2008 Quincy, Massachusetts Member Boston Mineral Club Reprinted by permission...is some of the most valuable real estate in Massachusetts. Calculating it another way, [Peter Gleba] said...is some of the most valuable real estate in Massachusetts. It has access, it has convenience, it has exposure...window of his car as he passed west of the Massachusetts state lottery offices and saw a spreading rust |  | | Report (issue) | | Geology of Massachusetts E. Stratigraphy of the Milford-Dedharn Zone, Eastern Massachusetts: An Avalonian... Stratigraphy of the Nashoba Zone, Eastern Massachusetts: An Enigmatic Terrane G. Stratigraphy of the...Belt, Central Massachusetts H. Structural and Metamorphic History of Eastern Massachusetts I. Intrusive...Intrusive Rocks of Eastern Massachusetts J. Radiometric Ages of Rocks in Massachusetts L.S. GEOLOGICAL SURVEY...PROFESSIONAL PAPER 1366-E-J The Bedrock Geology of Massachusetts NORMAN L. HATCH, JR., Editor E. Stratigraphy |  | | Report (issue) | | .. <,138 Nashoba Formation. ....... u .. .138 Biotite gneiss. ......... .140 Amphibolite . ........ o...facies. .... 201 Biotite-hornblende tonalite facies . . 0 ... 0 ... 0 . . 215 Biotite tonalite facies.......... 0 ... 232 Correlation. ........... 241 Salem(?) Gabbro-Diorite ........ 242 Assabet Quartz-Diorite..... 252 Muscovite granite-gneiss facies. 0 255 Biotite granite-gneiss facies. . . 272 Undifferentiated...Chemical analysis, norm, and modal analysis of biotite gneiss from the Fish Brook Gneiss .... 3. .. |  | | Book | | Granite N. H. Binary Granite Colorado Biotite-Granite R. I. Biotite-Granite Vermont Alkali Granite Mass...Nephelite-Cancrinite-Syenite 31. Essexite Maine Massachusetts Dacite-Quartz-Diorite Series: Colorado Minnesota...Diabase New Jersey VIII. 38. 48. Diabase Massachusetts Olivine-Augite-Hypersthene Gabbro 49. 50. ...Crystalline Limestones Vermont Dolomite-Marble Massachusetts Pink Marble Georgia IV. Ophicalcite, Serpentine...Schists Massachusetts Hornblende-Gneiss New York 122. 123. 86. 87. 88. Metamorphic Rocks Biotite-Gneiss |  | | Catalog/List | | enlarged photograph of a piece of Obsidian, from Lake County, Oregon, which shows a Conchoidal fracture. t...Fibrous; South Dakota Fasciculite Xis in schist; Massachusetts Hornblende Common Hornblende Xls, black, in...00 .60 XI, sections, varnished, in matrix, Massachusetts ......... :. ................ ....... 1 x l½"...(sodium and calcium aluminum silicate) Xline, with biotite; Transvaal ........ ... .. .. .... .. INC. .40...sium-bearing, white masses; Maine ...... ...... BIOTITE (acid potassium magnesium and iron aluminum orthosilicate) |  | | Catalog/List | | . . . . . . 65 Fasciculite Xis, in schist; Massachusetts . . . . . . . . . . . . . . . . . . . . . 3...(sodium and calcium aluminum silicate) Xlinr, with biotite; Transvaal . . . . . . . . . . . . . . . . . ....Nevada, 1 x 2 •, .5 0. . . . . . . .. . . 123 BIOTITE (acid potassium magnesium and iron aluminum orthosilicatc}.... . ... . .. . . .. . 6 FiM, xline, white; Massachusetts, 1 0 lbs. or more, .2 0 per lb . . . .. .. ...Michigan . . 13 Aficaceous (schistose) hematite; Massachusetts . . . . . . . . . 6 Massive; Min nesota . . |  | | Catalog/List | | . . . . . . . . Fasciculite Xis in schist; Massachusetts Hornblende Common Hornblende Cleavable, black;... . . ........ . Xline, white, in dolomite; Massachusetts . .............. Hexagonite Purple :dine mass;...1.50 Xis, in matrix, ends of xis polished; Massachusetts .. ANDESINE (sodium and calcium aluminum silicate)...silicate) XI, choice; France, �". 15¢. Xline, with biotite; Transvaal . ... .. .. . .......... ...... .. .... . . . . . . . . . I I N C. . . . . 2.50 BIOTITE (acid potassium magnesium and iron aluminum orthosilicate) |  | | Journal (article/letter/editorial) | | THE PETROGRAPHICAL PROVINCE OF ESSEX COUNTY, MASS. II term essexite was first introduced by Sears Essexite...rocks composed essentially of augite, hornblende, biotite, and plagioclase, with subordinate orthoclase,...portion of the nephelineenlarges the syenite magma of Salem Neck.- Rosenbusch2 and and erects the essexite mineral...soda-rich, magma. In Essex county they are confined to the immediate vicinity of Salem Neck, where they occur...though varying to some extent in this respect. Biotite and feldspar phenocrysts and small round spots |  | | Report (volume) | | Director Bulletin 839 GEOLOGY OF THE BOSTON AREA MASSACHUSETTS BY LAURENCE LAFORGE UNITED STATES GOVERNMENT...character.__---_------------__--____--__-_____ Salem gabbro-diorite.----------------.---------------...geology of the Boston and Boston Bay quadrangles, Massachusetts--____-.-_____ In pocket. 2. Map showing surficial...-----------81 GEOLOGY OF THE BOSTON AEEA, MASSACHUSETTS By LAURENCE LAFORGE INTRODUCTION* POSITION AND...30' and extends westward from the shore of Massachusetts Bay to meridian 71° 15', comprises the Boston |  | Barr, Sandra M., Mortensen, James K., Thompson, Margaret D., Hermes, O. Don, White, Chris E. (2011) Early to Middle Devonian granitic and volcanic rocks from the central Gulf of Maine. Lithos, 126 (3) 455-465 doi:10.1016/j.lithos.2011.06.009 | Journal (article/letter/editorial) | | MA 02481 USA d University of Rhode Island, Department of Geology, Kingston, RI, 02881 USA e Nova Scotia...Peabody; Q, Quincy; R, Rattlesnake; S, Scituate; Sa, Salem gabbro/diorite; W, Wenham, Wa, Waltham gabbro/diorite;...Fundy fault (Fig. 1). However, they contain minor biotite as well as pyroxene and amphibole. They lack the...Na, and are classified as grunerite (Table DR4). Biotite is also Fe-rich, and has relatively low Al (Table...less altered grains of pyroxene, amphibole, and biotite occur in samples 349-2-1A and 429-1-2A. Microprobe |  | | Report (issue) | | GEOLOGIC MAP OF THE'GEORGETOWN QUADRANGLE,ESSEX COUNTY, MASSACHUSETTS '. by K.G. Bell, A.Fi Shride, and N...thermal alteration m Sconoaic geology . 22 --«. Salem Gabbro-diorite Mafic dikes ' --« - . » - -...tha inbricate thrust fault zone of. eastern Massachusetts. The dominant structures are large faults...but in some beds or layers snsall quantities of biotite * . ' : :^" were formed. An early period of pervasive...localities, almost completely converted hornblende and biotite to chlorite and saussuritized feldspars vith production |  | | Catalog/List | | AGGLOMERATE: Agglomerate .........................Custer County, Colorado " Volcanic ...............Magnet Cove...Amphibolite ...........................Albemarle County, Virgi11ia " (Fayalitc-bcaring) .......Near Mcsaba...: ........San Juan County, Colorado " Porphyry ...................Boulder County, Colorado " S ........Anhydrite, crystalline ....................Lyon County, Ncvada ANORTHOSITE: Anort?, osite, gray ........Arkose-scc Sandstone " " ............... Essex County, New York dark brown ...Rochester, New York |  | | Report (volume) | | Counties, Massachusetts By NEWTON E. CHUTE > GEOLOGY OF SELECTED QUADRANGLES IN MASSACHUSETTS ^ _____...Prepared in cooperation with the Commonwealth of Massachusetts ^ Department of Public Works UNITED STATES...rocks_--_-----_--------_--------_--_--_-__--_.-_-Salem Gabbro-Diorite----------------.-------.____.___...map. FIGURES 1-5. Photographs of: 1. Pegmatitic Salem Gabbro-Dioritc---------------2. Hybrid variety of...of Westwood Granite with inclusions of Salem Gabbro-Diorite.--------------------3. Intrusion breccia |  | | Journal (article/letter/editorial) | | represented by the New Hampshire and eastern Massachusetts occurrences, differentiated igneous rocks occupy...Correlation with the alkalic rocks of eastern Massachusetts-to be discussed in the following section-had...confirmed by U-Pb zircon and by K-Ar and Rb-Sr biotite determinations on the granite from near Redstone...be time correlatives of those from eastern Massachusetts (Toulmin 1961). Nevertheless, the different...of future complications was given by two K-Ar biotite ages of 137 and 125 m.y. from the complex at Mount |
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