The Massachusetts Geological Survey

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Kopera, J. P., P. House, K., Schmidt, M. & Clark, R. Guiding principles for use of digital technology in geologic data collection and distribution. Abstracts with Programs - Geological Society of America 46, 75 - 75 (2014).

Kopera, J. P., Williams, M. L. & Jercinovic, M. J. Monazite geochronology of the Ortega Quartzite: documenting the extent of 1.4 Ga tectonism in northern New Mexico and across the orogen. Abstracts with Programs - Geological Society of America 34, 10 - 10 (2002).

Kopera, J. P., Alvord, D. C., Jahns, R. H., Willard, M. E. & White, W. S. Preliminary bedrock geologic map of the Westford quadrangle, Massachusetts. Open-File Report (2009).

Kopera, J. P. & Mabee, S. B. Preliminary field report on the November 13th-14th, 2011 landslide near Steam Mill Road, Deerfield, Massachusetts. Open File Report 19 (Massachusetts Geological Survey, 2011). at <http://www.geo.umass.edu/stategeologist/Products/reports/Deerfield_LS_Report_final.pdf>

Kopera, J. P. et al. Geochemistry of gneisses and amphibolites in the Uchee Belt of western Georgia and eastern Alabama; an ACRES progress report. Abstracts with Programs - Geological Society of America 32, 31 - 31 (2000).

Kopera, J. P. Embracing the digital revolution; issues of concern to geological surveys. Abstracts with Programs - Geological Society of America 41, 99 - 99 (2009).

Kopera, J. P. & Massey, M. A. A structural framework for the Nashoba Terrane in eastern Massachusetts. Abstracts with Programs - Geological Society of America 45, 107 (2013).

Kopera, J. P. & Hansen, W. R. Preliminary bedrock geologic map of the Hudson quadrangle, Massachusetts. Open-File Report (2005).

Kopera, J. P., Mabee, S. B., Salamoff, S. A. & Hildreth, C. An update of geologic mapping in Massachusetts. Abstracts with Programs - Geological Society of America 36, 58 - 58 (2004).

Kopera, J. P., Mabee, S. B. & Powers, D. C. Preliminary fracture characterization map of the Ayer quadrangle, Massachusetts. Open-File Report (2006).

Kopera, J. P., Williams, M. L. & Jercinovic, M. J. Monazite geochronology of Proterozoic quartzites; a powerful tool for understanding reactivation of continental lithosphere in the Southwestern United States. Abstracts with Programs - Geological Society of America 34, 26 - 26 (2002).

Kopera, J. P. Preliminary Bedrock Geologic Map of the area surrounding Shepley's Hill, Towns of Ayer and Devens, Massachusetts. Open-File Report (2008).

Kopera, J. P., Williams, M. L. & Jercinovic, M. J. Age-constraints on fabric reactivation in the Tusas Range, northern New Mexico, using electron-microprobe monazite geochronology; implications for the nature of regional approximately 1400 Ga deformation. Abstracts with Programs - Geological Society of America 34, 180 - 180 (2002).

Kopera, J. P. The Nashoba Terrane: A new tectonostratigraphy and shared structural styles with the Merrimack belt in Massachusetts. Geological Society of America Abstracts with Programs 47, 42 (2015).

Peck, J. A. Digital conversion of Peck, J.H., 1975, Preliminary bedrock geologic map of the Clinton quadrangle, Worcester County, Mass., U.S. Geological Survey Open File Report 75-658. Digital Conversion (2012).

Kopera, J. P. Preliminary bedrock geologic map of the Ayer quadrangle, Massachusetts. Open-File Report (2006). at <http://www.geo.umass.edu/stategeologist/>

Kopera, J. P., DiNitto, R. G. & Hepburn, J. C. Bedrock geologic map of the Marlborough quadrangle, Massachusetts. geologic Map (2004).

Kopera, J. P. & Mabee, S. B. A new way of looking at, and mapping, bedrock; the hydrostructural domain map of the Ayer Quadrangle, northeastern Massachusetts. Abstracts with Programs - Geological Society of America 38, 166 - 166 (2006).

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Johansenn, W. I. A Bibliography of Massachusetts Minerals 1796 - 1948. Special Department Publication (Dept. of Geology and Mineralogy, U-Mass, 1950).

Jahns, R. H. & Kopera, J. P. Progress report of bedrock geologic mapping of the Lowell quadrangle, Massachusetts. Progress Map (2010).

J.P., K. Bedrock geologic map of the Ayer 7.5’ quadrangle, Worcester and Middlesex Counties, Massachusetts. Open File Report

J.P., K., Roden-Tice, M. K. & Wintsch, R. P. Latest Paleozoic through Mesozoic faults in north-central Massachusetts and their correlations with New Hampshire. Geological Society of America - Northeastern section (Geological Society of America, 2016). doi:10.1130/abs/2016NE-272576

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P. House, K., Clark, R. & Kopera, J. P. Overcoming the momentum of anachronism; American geologic mapping in a twenty-first-century world. Special Paper - Geological Society of America 502, 103 - 125 (2013).

Hildreth, C. T. & Stone, B. D. [Draft] Surficial geology of the Marlborough quadrangle, Massachusetts. Open-File Report (2004).

GIS and metadata forthcoming

Hein, C. J., Fitzgerald, D.M,, Barnhardt, W. A. & Stone, B. D. Onshore-Offshore Surficial Geologic Map of the Newburyport East and Northern Half of the Ipswich Quadrangles, Massachusetts. Geologic Map (2010).

Note: this version has been peer reviewed, edited, and supersedes all previously published, open-file, versions of this map (2010)

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The MA Geological Survey
Department of Geosciences
269 Morrill Science Center
University of Massachusetts
611 North Pleasant Street
Amherst, MA 01003-9297

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