The Impact of the Final Lake Agassiz Flood Recorded in Northeast Newfoundland and Northern Scotian Shelves Based on Century-Scale Palynological Data - Abrupt Climate Change: Mechanisms, Patterns, and Impacts - page 144

Table 2. Radiocarbon Dates Used in This Study From Cores Listed in Table 1

Conventional
14 C Age
(years B.P.)

Stratigraphic or
Biostratigraphic
Markers

Down-Core
Depth (cm)

Corresponding
Depths in Core Material Dated

Sea Ice
Correction

Calibrated Age
(1

Calibrated Age
(2 Location, Core Lab Number Δ R σ range calBP) σ range calBP)

HU87033-19P 298 - 300 Neogloboquadrina

pachyderma s

UCIAMS74194 7585±20 200 144±38 7650 to 7760 7610 to 7810

HU87033-19P 298 - 300 N. labradorica UCIAMS74195 8025±20 200 144±38 8070 to 8190 8020 to 8270

10300±300 a

HU87033-19P 503 - 505 N. labradorica AA21750 200 144±38 10500 to 11250 10190 to 11870

HU87033-19P 775 - 780 N. pachyderma s UCIAMS45220 10175±25 200 144±38 10590 to 10760 10570 to 10910

HU87033-19P 775 - 780 N. labradorica UCIAMS45221 10450±25 200 144±38 11100 to 11170 10940 to 11210

HU87033-19P 875 - 877 N. pachyderma s UCIAMS 45372 10500±40 200 144±38 11130 to 11200 11070 to 11250

254 b

HU83033-07P 24 N. labradorica Beta-191949 6810±40 200 144±38 6880 to 7040 6820 to 7140 top DC bed above AG

260 b

HU83033-07P 28 N. labradorica Beta-191950 6950±40 200 144±38 7060 to 7210 6980 to 7250 base DC bed above AG

295 b

HU83033-07P 63 - 65 N. pachyderma s Beta-194865 8390±100 200 144±38 8380 to 8630 8300 to 8850 top of AG DC bed

378 b

HU83033-07P 125 - 130 N. pachyderma s TO1353 8550±150 200 144±38 8550 to 8950 8360 to 9130 base of AG DC bed

448 b

HU83033-07P 206 - 216 N. pachyderma s UCIAMS20521 9520±35 200 144±38 9900 to 10100 9780 to 10150 base DC bed below AG

143 b

Compass Pond 195 - 200 bulk sediments GSC-3906 3050±140 3040 to 3430 2870 to 3560 top of zone CP3-ii

230 b

Compass Pond 395 - 400 bulk sediments GSC-3902 6280±120 7010 to 7320 6900 to 7430 top of zone CP3-I

450 b

Compass Pond 435 - 440 bulk sediments GSC-3992 8310±140 9140 to 9460 8820 to 9550 top of zone CP2-ii

HU84011-12P 65 - 67 foraminifera TO6232 3100±60 35 83±14 2700 to 2820 2610 to 2920

HU84011-12P 640 - 650 foraminifera TO6233 7930±80 35 83±14 8190 to 8354 8090 to 8440

100 c

Everitt Lake 150 - 160 bulk sediments DAL209 3340±175 3390 to 3830 3160 to 4080 top of zone C3a

250 c

Silver Lake 245 - 255 bulk sediments GSC-791 4540±140 4970 to 5450 4860 to 5580 end Tsuga peak

430 c

Silver Lake 345 - 355 bulk sediments GSC-792 7140±140 7830 to 8160 7680 to 8290 start Tsuga peak

a The date at 503 cm in core 19 is from Smith and Licht [2000].
b Corresponding to core 19.
c Corresponding to core 12.