Alexandra-0183 | 370.89 | 370.59 | Zircon | | | 5971 | Clark Ledge Pegmatite Locality, Chesterfield, Hampshire Co., Massachusetts, USA | Bradley et al. (2016) | CM54_945 |
Alexandra-0184 | 341.9 | 336.3 | Muscovite | | | 5971 | Clark Ledge Pegmatite Locality, Chesterfield, Hampshire Co., Massachusetts, USA | Bradley et al. (2016) | CM54_945 |
Alexandra-0415 | 253 | 227 | | | | 60895 | Leavitt Quarry, Leominster, Worcester Co., Massachusetts, USA | Zartman et al. (1970) | GSAB81_3359 |
Alexandra-0416 | 305 | 275 | | | | 22413 | Stoneham, Middlesex Co., Massachusetts, USA | Zartman et al. (1970) | GSAB81_3359 |
Alexandra-0417 | 262 | 246 | | | | 22345 | Lynnfield, Essex Co., Massachusetts, USA | Zartman et al. (1970) | GSAB81_3359 |
Alexandra-0418 | 268 | 252 | | | | 22345 | Lynnfield, Essex Co., Massachusetts, USA | Zartman et al. (1970) | GSAB81_3359 |
Alexandra-0419 | 369 | 349 | | | | 22345 | Lynnfield, Essex Co., Massachusetts, USA | Zartman et al. (1970) | GSAB81_3359 |
Bradley_2012_067 | 373 | 369 | Zircon | | | 5971 | Clark Ledge Pegmatite Locality, Chesterfield, Hampshire Co., Massachusetts, USA | McCauley and Bradley (2014) | CM52_183 |
Bradley_2012_072 | 396 | 388 | Zircon | | | 15757 | Salem, Essex Co., Massachusetts, USA | McCauley and Bradley (2014) | CM52_183 |
USGS-Rb-Sr-00877 | 372.14 | 342.14 | | | | 15191 | Millstone Hill Quarry, Worcester, Worcester Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-00934 | 431.82 | 419.82 | | | | 47041 | Babson Farm Quarry, Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-00935 | 431.82 | 419.82 | | | | 47041 | Babson Farm Quarry, Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-00936 | 431.82 | 419.82 | | | | 209564 | Flat Ledge Quarry (Flatledge Quarry), Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-00937 | 431.82 | 419.82 | | | | 209564 | Flat Ledge Quarry (Flatledge Quarry), Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-00938 | 431.82 | 419.82 | | | | 209564 | Flat Ledge Quarry (Flatledge Quarry), Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-00947 | 383.26 | 335.26 | | | | 33588 | Kallenberg Quarry (Robin Rock Quarry), Lynnfield, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-00950 | 474.27 | 428.27 | | | | 22346 | Nahant, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-00951 | 503.6 | 461.6 | | | | 22346 | Nahant, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-01068 | 361.21 | 361.21 | | | | 196053 | Bunker Hill Quarry, Quincy, Norfolk Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-01069 | 364.3 | 350.3 | | | | 196053 | Bunker Hill Quarry, Quincy, Norfolk Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-01137 | 460 | 460 | | | | 195966 | Burlington, Middlesex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-01308 | 350.45 | 350.45 | | | | 206529 | Blackburn Circle Locality, Gloucester, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-01309 | 364.15 | 364.15 | | | | 206529 | Blackburn Circle Locality, Gloucester, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-01740 | 398.41 | 398.41 | | | | 17267 | Wellesley, Norfolk Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-01741 | 457.15 | 457.15 | | | | 17267 | Wellesley, Norfolk Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-03298 | 427.32 | 285.32 | | | | 220591 | Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-03299 | 427.32 | 285.32 | | | | 220591 | Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-06235 | 641 | 541 | | | | 212086 | Fletcher Quarry (Milford Pink Quarry), Hopkinton, Middlesex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-06237 | 990 | 918 | | | | 33585 | I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-06238 | 398 | 382 | Microcline | | | 33585 | I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-06239 | 242.03 | 230.03 | Muscovite | | | 33585 | I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-06241 | 242.03 | 230.03 | Muscovite | | | 33585 | I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-06279 | 379 | 365 | | | | 15191 | Millstone Hill Quarry, Worcester, Worcester Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-06280 | 379 | 365 | | | | 15191 | Millstone Hill Quarry, Worcester, Worcester Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-06281 | 379 | 365 | | | | 15191 | Millstone Hill Quarry, Worcester, Worcester Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-Rb-Sr-06282 | 379 | 365 | | | | 15191 | Millstone Hill Quarry, Worcester, Worcester Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |
USGS-U-Th-Pb-00150_206_238 | 426 | 418 | Zircon | | | 47041 | Babson Farm Quarry, Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-00150_207_206 | 457 | 445 | Zircon | | | 47041 | Babson Farm Quarry, Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-00150_207_235 | 431 | 423 | Zircon | | | 47041 | Babson Farm Quarry, Rockport Granite Company Quarries, Rockport, Essex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01334_206_238 | 531 | 521 | Zircon | | | 212086 | Fletcher Quarry (Milford Pink Quarry), Hopkinton, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01334_207_206 | 624 | 614 | Zircon | | | 212086 | Fletcher Quarry (Milford Pink Quarry), Hopkinton, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01334_207_235 | 550 | 538 | Zircon | | | 212086 | Fletcher Quarry (Milford Pink Quarry), Hopkinton, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01362_206_238 | 360 | 352 | Zircon | | | 220591 | Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01362_207_206 | 391 | 385 | Zircon | | | 220591 | Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01362_207_235 | 364 | 356 | Zircon | | | 220591 | Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01363_206_238 | 368 | 360 | Zircon | | | 220591 | Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01363_207_206 | 391 | 385 | Zircon | | | 220591 | Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01363_207_235 | 371 | 363 | Zircon | | | 220591 | Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01364_206_238 | 361 | 353 | Zircon | | | 220591 | Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01364_207_206 | 395 | 387 | Zircon | | | 220591 | Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01364_207_235 | 366 | 358 | Zircon | | | 220591 | Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01365_206_238 | 354 | 346 | Zircon | | | 220591 | Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01365_207_206 | 394 | 386 | Zircon | | | 220591 | Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-01365_207_235 | 360 | 352 | Zircon | | | 220591 | Snake Meadow Hill, Westford, Middlesex Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-02411_206_238 | 597 | 597 | Zircon | | | 52181 | Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-02411_207_206 | 774 | 774 | Zircon | | | 52181 | Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-02411_207_235 | 635 | 635 | Zircon | | | 52181 | Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-02412_206_238 | 582 | 582 | Zircon | | | 52181 | Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-02412_207_206 | 757 | 757 | Zircon | | | 52181 | Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-02412_207_235 | 619 | 619 | Zircon | | | 52181 | Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-02413_206_238 | 534 | 534 | Zircon | | | 52181 | Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-02413_207_206 | 705 | 705 | Zircon | | | 52181 | Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-02413_207_235 | 568 | 568 | Zircon | | | 52181 | Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-02414_206_238 | 522 | 522 | Zircon | | | 52181 | Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-02414_207_206 | 683 | 683 | Zircon | | | 52181 | Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |
USGS-U-Th-Pb-02414_207_235 | 553 | 553 | Zircon | | | 52181 | Hudson & Chester Quarry, Becket, Berkshire Co., Massachusetts, USA | USGS-U-Th-Pb | USGS-U-Th-Pb |