MnModel Final Report: Table E-2
Table E.2: Master List of Mn/Model Radiocarbon Dates
- Minnesota River
- Mississippi River
- Rainy River
- Red Lake Bog
- Red River
- Rock River
- Root River
- St. Croix River
Minnesota River
County |
Profile No. |
Depth |
Identification |
Date (B.P.) |
Lab I.D. |
Brown |
BR-05 |
460-473 cm |
herbaceous tissue |
7,360±50 |
Beta-97191 |
Brown |
BR-06 |
551 cm |
Quercus sp. (oak); maybe Castanea sp. or other hardwood |
M157.4±0.7% |
Beta-97192 |
Brown |
BR-06 |
927-1047 cm |
Coniferophyta; ray tracheids suggests Pinaceae family (not fir); If ray tracheids are smooth-walled then soft pines (Pinus spp.), larch/tamarack (Larix spp.) or hemlock (Tsuga spp.) |
10,410±60 |
Beta-97193 |
Brown |
BR-08 |
259 cm |
probable hardwood bark (Angiosperm) |
M127.8±0.5% |
Beta-97194 |
Brown |
BR-08 |
715-716 cm |
unidentified thin rootlet |
M112.3±0.5% |
Beta-97195 |
Brown |
BR-11 |
218-224 cm |
Chenopodium sp. seed; Chenopodiaceae seed coat; Fraxinus sp., ash, lowland anatomical form; carbonized parenchymatous tissues; Carex sp. achene and perigynium (C. comosa); grass grain (Festicoid); |
730±50 |
Beta-104170 |
Brown |
BR-11 |
583 cm |
unidentified fine bark fragments with some wood- rotting fungal spores |
1,130±50 |
Beta-104171 |
Brown |
BR-20 |
315-320 cm |
conifer needle and sheath, Pinus sp., possibly P. resinosa (red pine) or P. banksiana (Jack pine) in hard pine group or P. edulis (pinyon) in soft pine group; Red pine and Jack pine most likely based on biogeography |
M113.1±0.5% |
Beta-104172 |
Nicollet |
NI-04 |
517-520 cm |
unidentified wood |
7,830±60 |
Beta-107097 |
Nicollet |
97NI-02 |
297-351 cm |
organic sediment |
2,800±60 |
Beta-113249 |
Nicollet |
97NI-02 |
951-957 cm |
unidentified wood; Cyperaceae seed |
5,380±50 |
Beta-111242 |
Nicollet |
97NI-02 |
1097-1109 cm |
organic sediment |
7,840±70 |
Beta-114705 |
Nicollet |
97NI-02 |
1097-1109 cm |
wood extracted from sediment |
8,050±100 |
Beta-113250 |
Nicollet |
97NI-03 |
255-259 cm |
organic sediment |
1,930±60 |
Beta-113251 |
Nicollet |
97NI-03 |
333-354 cm |
organic sediment |
3,650±70 |
Beta-111352 |
Nicollet |
97NI-03 |
778-820 cm |
organic sediment |
6,130±60 |
Beta-113253 |
Nicollet |
97NI-03 |
1143 cm |
unidentified wood |
10,330±60 |
Beta-111243 |
Nicollet |
97NI-04 |
460-475 cm |
organic sediment |
4,500±60 |
Beta-113254 |
Nicollet |
97NI-04 |
680-683 cm |
unidentified wood |
5,690±70 |
Beta-110976 |
Nicollet |
97NI-04 |
1063-1074 cm |
unidentified wood |
9,370±50 |
Beta-111244 |
Renville |
RN-16 |
49 cm |
unidentified wood |
820±50 |
Beta-107098 |
Yellow Medicine |
YM-02 |
65 cm |
Monocotypedonae, poss. the grass fam. (Poaceae), part. cane (Arundinaria sp.) or wild rice (Zizania aquatica); poss. cat tail (Typha spp.) or bur-reed (Sparganium americanum) |
M119.5±0.5% |
Beta-97196 |
Yellow Medicine |
YM-09 |
249-263 cm |
monocot culm (internode section) ?Poaceae; unidentified carbonized hollow stem |
7,960±50 |
Beta-104173 |
Mississippi River
County |
Profile No. |
Depth |
Identification |
Date (B.P.) |
Lab I.D. |
Beltrami |
BL-23 |
491-494 cm |
unidentified wood/woody material |
5,690±40 |
Beta-111234 |
Beltrami |
BL-24 |
168-174 cm |
unidentified wood |
510±40 |
Beta-111235 |
Clearwater |
CE-01 |
354-366 cm |
unidentified wood |
8,110±50 |
Beta-111236 |
Clearwater |
CE-02 |
497-506 cm |
unidentified wood |
9,210±50 |
Beta-111237 |
Hubbard |
HB-02 |
226-241 cm |
unidentified wood |
9,860±60 |
Beta-111238 |
Itasca |
IC-01 |
190-198 cm |
unidentified wood and charcoal; Rubus idaeus seeds |
320±50 |
Beta-111239 |
Itasca |
IC-03 |
198-207 cm |
poss. Cyperaceae stem frags. |
3,940±70 |
Beta-111240 |
Morrison |
MO-03 |
168-183 cm |
unidentified wood |
3,600±50 |
Beta-111241 |
Rainy River
County |
Profile No. |
Depth |
Identification |
Date (B.P.) |
Lab I.D. |
Koochiching |
KC-04 |
273 cm |
unidentified hardwood (? Rhus sp.) |
5,090±50 |
Beta-107094 |
Koochiching |
KC-05 |
91 cm |
wood sent for date |
5,850±50 |
Beta-107103 |
Koochiching |
KC-06 |
75-77 cm |
unidentified wood |
4,530±50 |
Beta-107102 |
Red Lake Bog
County |
Profile No. |
Depth |
Identification |
Date (B.P.) |
Lab I.D. |
Beltrami |
BL-13 |
184-189 cm |
uncarbonized unidentified wood |
4,470±50 |
Beta-107080 |
Beltrami |
BL-14 |
26-32 cm |
carbonized and uncarbonized wood |
180±40 |
Beta-107075 |
Beltrami |
BL-15 |
451-458 cm |
unidentified wood |
5,890±60 |
Beta-107074 |
Beltrami |
BL-16 |
123-130 cm |
unidentified wood |
2,610±40 |
Beta-107076 |
Beltrami |
BL-18 |
56-61 cm |
unidentified wood |
3,180±40 |
Beta-107084 |
Beltrami |
BL-20 |
116-118 cm |
unidentified wood |
3,240±40 |
Beta-107104 |
Red River
County |
Profile No. |
Depth |
Identification |
Date (B.P.) |
Lab I.D. |
Clay |
CY-01 |
497-512 cm |
cf. Picea sp., possibly a root |
10,080±70 |
Beta-107065 |
Clay |
CY-02 |
860-872 cm |
wood pieces, unidentified seed fragments |
10,180±70 |
Beta-107073 |
Clay |
CY-02 |
811 cm |
Picea sp. wood |
10,140±70 |
Beta-107093 |
Kittson |
KT-11 |
433-436 cm |
Salix sp. wood |
2,840±40 |
Beta-107089 |
Kittson |
KT-15 |
503 cm |
unidentified wood |
3,240±50 |
Beta-107099 |
Marshall |
MA-07 |
1027 cm |
Ulmaceae (Celtis sp. or Ulmus sp. possible) wood |
1,260±80 |
Beta-107064 |
Marshall |
MA-07 |
1006-1015 cm |
cf. Lauraceae wood |
1,280±70 |
Beta-107068 |
Marshall |
MA-09 |
1408-1420 cm |
cf. Fraxinus sp. wood |
4,070±80 |
Beta-107086 |
Norman |
NR-03 |
717-723 cm |
unidentified ring porous hardwood |
3,060±60 |
Beta-107066 |
Wilkin |
WL-02 |
116-122 cm |
organic sediment |
M144.9±0.5% |
Beta-107105 |
Rock River
County |
Profile No. |
Depth |
Identification |
Date (B.P.) |
Lab I.D. |
Pipestone |
PS-11 |
177-182 cm |
seeds of Chenopodium sp., Cyperaceae (Scirpus sp.), Helianthus sp., Myrica sp., Myriophyllum sp., Potamogeton sp.; wood |
150±40 |
Beta-107077 |
Rock |
RK-15 |
312-320 cm |
seeds of Chenopodium sp., Cyperaceae (Scirpus sp.), Myriophyllum sp. |
7,940±100 |
Beta-107079 |
Rock |
RK-18 |
172-178 cm |
unidentified wood; unidentified seeds fragments |
320±70 |
Beta-107085 |
Rock |
RK-29 |
169-172 cm |
wood sent for date |
5,430±60 |
Beta-107100 |
Rock |
RK-31 |
300-307 cm |
bulk date - organic sediment |
2,050±40 |
Beta-107106 |
Root River
County |
Profile No. |
Depth |
Identification |
Date (B.P.) |
Lab I.D. |
Fillmore |
FM-00 |
~800 cm |
muskox skull collagen |
14,420±70 |
CAMS-32037 |
Fillmore |
FM-07 |
276-284 cm |
seeds of cf. Betulaceae, Chamaesyce nutans, Chenopodium sp., Cyperaceae (Scirpus sp.), Najas sp., cf. Sagittaria sp., Verbena sp. |
3,710±50 |
Beta-107081 |
Fillmore |
FM-10 |
526-528 cm |
seeds of cf. Betulaceae, Najas sp.; wood |
4,960±60 |
Beta-107101 |
Fillmore |
FM-25 |
362 cm |
unidentified hardwood |
2,890±70 |
Beta-107067 |
Fillmore |
FM-61 |
315 cm |
wood sent for date |
M116.3±0.5% |
Beta-107095 |
Houston |
HS-03 |
380 cm |
Ulmus sp. wood |
2,790±70 |
Beta-107088 |
Houston |
HS-04 |
274-277 cm |
Brassicaceae seeds, Chenopodium sp. seeds |
M111.2±0.6% |
Beta-107082 |
Houston |
HS-15 |
424 cm |
unidentified wood |
20±50 |
Beta-107083 |
Houston |
HS-55 |
660-662 cm |
unidentified bark |
3,360±50 |
Beta-107092 |
Houston |
HS-61 |
380-381 cm |
unidentified wood |
560±40 |
Beta-107096 |
Olmsted |
OL-04 |
348-350 cm |
cf. Lauraceae wood (many oils still present) |
3,360±50 |
Beta-107087 |
Olmsted |
OL-04 |
359-365 cm |
seeds of Cyperaceae (Cyperus sp./Carex sp.), Najas sp.; wood pieces |
3,320±60 |
Beta-107072 |
Olmsted |
OL-08 |
210-216 cm |
unidentified hardwood |
350±40 |
Beta-107091 |
St. Croix River
County |
Profile No. |
Depth |
Identification |
Date (B.P.) |
Lab I.D. |
Chisago |
CH-01 |
747-750 cm |
unidentified softwood pieces |
5,340±50 |
Beta-107108 |
Chisago |
CH-01 |
52-57 cm |
cf. Picea sp. wood |
1,740±50 |
Beta-107112 |
Chisago |
CH-04 |
1037-1042 cm |
seeds of Cyperacea (Cyperus sp./Carex sp.), Helianthus sp., Najas sp., Rhus sp. |
3,660±50 |
Beta-107111 |
Chisago |
CH-04 |
757-761 cm |
wood pieces |
1,220±40 |
Beta-107110 |
Chisago |
CH-04 |
50-53 cm |
Picea sp. wood |
1,270±40 |
Beta-107109 |
Chisago |
CH-07 |
296-302 cm |
cf. Picea sp. wood |
9,360±80 |
Beta-107071 |
Chisago |
CH-11 |
247-250 cm |
Larix laricina wood |
9,640±70 |
Beta-107070 |
Chisago |
CH-11 |
355-360 cm |
Larix sp., cf. L. laricina wood |
9,340±60 |
Beta-107069 |
Chisago |
CH-24 |
275-278 cm |
Picea sp. wood |
10,120±100 |
Beta-107107 |
Pine |
PN-01 |
88-91 cm |
seeds of Cyperaceae (Cyperus sp./Carex sp.), Rhus sp. |
3,910±50 |
Beta-107113 |
Washington |
T-44 |
60-62 feet; 18.3-18.9 m |
unidentified softwood/conifer bark |
10±70 |
Beta-107090 |
Washington |
T-45 |
95-97 feet; 29.0-29.6 m |
organic sediment sent for date |
8,370±70 |
Beta-107078 |