TY - MAP T1 - Bedrock geologic map of the Marlborough quadrangle, Massachusetts Y1 - 2004 A1 - Joseph P Kopera A1 - DiNitto, R.G. A1 - Hepburn, J.C. KW - #BedrockMaps KW - #MGSPub KW - alaskite KW - amphibolite KW - Andover Granite KW - Ashland KW - Berlin KW - Bloody Bluff KW - Burlington Mylonite Zone KW - epidote KW - fault zone KW - gneiss KW - granite KW - granofels KW - Hope Valley Alaskite KW - Hopkinton KW - Hudson KW - Indian Head Hill KW - Lake Char KW - Malborough KW - Milford granite KW - Milham Reservoir KW - mylonite KW - Northborough KW - quartzite KW - schist KW - shear zone KW - Southborough KW - volcanic KW - Waltham Tectonic Melange KW - Westborough KW - Wolfpen Lens JF - geologic Map PB - Massachusetts Geological Survey U2 -

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ER - TY - MAP T1 - Preliminary bedrock geologic map of the Ayer quadrangle, Massachusetts Y1 - 2006 A1 - Joseph P Kopera KW - #BedrockMaps KW - #MGSPub KW - arsenic KW - Ayer KW - ayer granite KW - Berwick formation KW - Boxborough KW - chelmsford granite KW - Clinton-Newbury Fault KW - Devens KW - Fort Devens KW - Groton KW - Harvard KW - Jahns KW - LITTLETON KW - Merrimack Terrane KW - mylonite KW - nashoba KW - Nashua Trough KW - Oakdale formation KW - Shepley's Hill Landfill KW - Shirley KW - tadmuck brook schist KW - Worcester Formation AB -

This preliminary version of the Bedrock Map of the Ayer Quadrangle (Kopera, 2006) has been removed pending the release of an updated version in the near future. The above version should be considered outdated. If you would like a copy of this map, please contact Joseph Kopera at jkopera[at]geo[dot]geo[dot] umass[dot]edu

JF - Open-File Report PB - Massachusetts Geological Survey UR - http://www.geo.umass.edu/stategeologist/ U2 -

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ER -