A Research Framework for the Archaeology of Wales

Southwest Wales – Radiocarbon Dates from Palaeoenvironmental Sites

22/12/2003

 

 

The dates listed below are largely from pollen columns but a few dates are from deposits for which there is no associated pollen evidence (*). Depths given are cm unless otherwise indicated. All dates in years BP.

 

 

Aberaeron

Base of cliff                     I-3120                         11260±160

 

Aberayron offshore core ZZ27

~-20.50                          8740±110                   

 

Abermawr

800                                 OxA-1411                   7640±150

613                                 OxA-1377                   5520±150

422-437                          OxA-1115                   4500±70

 

Banc Nant Rhys

Base of primary pedogenic peat                           3870±50

Base of secondary pedogenic peat                       4050±50

Base of climatic peat                                            4170±50

 

Borth Bog

690-698                          SRR-5637                6155±45

652-660                          SRR-5636                5660±45

592-600                          SRR-5635                5460±45

548-556                          SRR-5634                5355±50

280-288                          SRR-5633                3080±35

 

Under 0.9m alluvium        SRR-377                     1100±50

and 0.3 m silty peat          SRR-378                  1200±50

 

Juncus peat                     Q-712                       2900±110

 

Borth 1 Pine

Growth rings

0-20                                GU-703                       5167±42

21-30                              GU-704                       5249±36

31-40                              GU-705                       5277±37

41-50                              GU-706                       5540±37

51-60                              GU-707                       5240±36

61-70                              GU-708                       5314±40

71-80                              GU-709                       5124±36

81-90                              GU-90                         5174±84

 

Borth 4 Oak

-15 - +10                        GU-742                       3917±84

11-30                              GU-743                       3781±95

31-40                              GU-744                       3783±58

41-50                              GU-745                       4027±35

51-60                              GU-746                       3798±36

61-70                              GU-747                       3832±31

71-80                              GU-748                       3705±37

81-90                              GU-749                       3751±61

91-100                            GU-750                       3835±29

101-110                          GU-751                       3838±46

111-120                          GU-752                       3856±33

121-130                          GU-753                       3812±31

131-140                          GU-754                       3828±32

 

Borth 6

1-10                                GU-719                       4419±49

11-22                              GU-720                       4284±47

23-40                              GU-721                       4029±104

41-69                              GU-722                       4052±35

70-80                              GU-723                       4219±46

81-90                              GU-724                       3958±36

91-100                            GU-725                       3825±69

101-112                          GU-726                       3762±54

113-120                          GU-727                       3968±40

121-130                          GU-728                       3872±42

131-140                          GU-729                       4190±37

141-150                          GU-730                       3960±46

151-160                          GU-731                       3738±43

161-170                          GU-732                       4120±45

171-180                          GU-733                       4189±87

181-190                          GU-734                       3961±47

191-200                          GU-735                       4006±33

201-210                          GU-736                       3984±60

211-220                          GU-737                       3999±26

221-230                          GU-738                       4198±44

231-240                          GU-739                       4034±45

241-250                          GU-740                       4068±45

251-270                          GU-741                       3957±64

 

Bryn Farm, Llanddewi Velfrey

2-4                                  SWAN-132                 5350±80

10-12                              SWAN-131                 4580±80

19-21                              SWAN-130                 4160±80

41-43                              SWAN-229                 2760±70

 

Bryn Mawr

414-416                          AA-29007                   8870±75

373-375                          AA-29006                   8680±70

325-327                          AA-29005                   6630±95

293-295                          AA-29004                   6230±170

225-227                          AA-29003                   4835±55

181-183                          AA-29902                   4135±65

93-95                              AA-29001                   2415±50

37-39                              AA-29000                   1290±45

 

Bryniau Pica

458-460                          AA-28998                   9245±70

420-422                          AA-27636                   9135±65

302-304                          AA-28999                   6125±60

234-236                          AA-27634                   5070±55

100-102                          AA-27633                   3100±45

32-34                              AA-27632                   1965±45

 

Carmarthen Eastern Bypass

138                                 Beta-107881                1140±50

109                                 Beta-86593                  1060±50

57                                   Beta-107880                860±60

14                                   Beta-86592                  1000±50

 

Carmel Woods

402                                 OxA-3831                   9285±95

370                                 OxA-3830                   5135±70

255                                 OxA-3829                   4740±65

90                                   OxaA-3828                 3790±60

 

Carningli

50-51                                                                  2030±80

32-33                                                                  1230±80

12-13                                                                  720±80

 

 

Castlemartin Corse, Freshwater

420-430                          CAR-1143                   4140±80

 

Cefn Gwenffwrd

GWA

CAR-19                          3465±70

CAR-71                          2855±50

CAR-39                          2730±65

CAR-73                          2030±45

CAR-74                          1900±45

CAR-75                            725±40

CAR-76                                0±35

 

GWB

CAR-40                          5485±80

CAR-41                          4985±75

CAR-7                            3845±80

CAR-42                          3720±70

CAR-43                          2135±65

CAR-44                            375±55

 

GWC

CAR-99                          9665±120

CAR-98                          9070±120

CAR-97

CAR-96                          6815±85

CAR-95                          5865±80

CAR-94                          5490±80

CAR-45                          4930±85

CAR-20                          3335±80

CAR-93                          2580±60

 

Cilgwyn

418                                 GU-1328                     10090±240

 

Clarach

Borehole 1

11220±1600

10100±250

9030±160

-160 cm OD                   5740±80

-127 cm OD                   HAR-300                     5170±90

-108 cm OD                   5130±100

-35 cm OD                     4410±80

+58 cm OD                     3790±80

+138 cm OD                   2560±80

+193 cm OD                   1140±80

 

Borehole 2

8760±80                         (8780±80

7960±80                         7960±80

7240±80                         7300±80

6970±80                         6820±80)

 

Borehole 3

13303±127

11489±106

9708±85

9089±79

8685±77

 

Wood frags                     HAR-1128                   5770±100

Oak -mean date                                                  5404

from 30 analyses

 

Pine                                 NPL-113                     5970±90

 

Peat -2.0 m OD              Birm-229                     10100±250

 

Cleddau Bog

42                                   SRR-2093                   3340±80

 

 

CledlynM*

W6 Bed 4 boreholes       Birm-485                     a) 8980±450

A-D                                                                    b) 9550±290

W6 Bed 5 boreholes       Birm-486                     a) 9760±230

A+B                                                                    b) 9420±190

 

 

Cledlyn U

W5 bottom5 cm  bed      Birm-488                     a) 9630±240

4, boreholes a+b                                                 b) 10060±380

W5 bottom 5cm bed       Birm-489                     a) 10160±260

4, boreholes C+D                                                b) 1080±320

 

 

Cledlyn W

2.90-2.95hole W +         Birm-368                     9380±340

3.025-3.075 hole W2

2.87-2.92                        Birm-369                     8910±290

2.74-2.795                      Birm-367                     9020±400

 

CletwrK*

3.55-3.59                        Birm-389                     8260±300

3.5-3.56                          Birm-388                     10170±220

 

Copa Hill, Cymystwyth

CH1

163-167                          GrN-17014                  2385±35

 

CH2

133-134                          GrN-17636                  3470±35

105-106                          GrN-17635                  2395±35

 

Dinas Valley

1085-1096                      GU-1267                     11700±250

1055-1065                      GU-1275                     11100±140

990-1010                        GU-996                       7125±220

790-805                          GU-995                       6375±110

610-630                          GU-994                       9720±160

435-450                          GU-993                       4400±80

322-350                          GU-992                       3575±70

215-230                          GU-991                       2690±75

100-130                          GU-990                       1950±75

 

Dolaeron

100                                 SRR-2095                   2620±170

55                                   SRR-2094                   1090±90

 

Dolau-duon

468                                 GU-1327                     9605±90

 

Figyn Blaen Brefi

432-434                          AA-27631                   8380±60

384-386                          AA-27630                   7280±60

338-340                          AA-27629                   6180±60

264-266                          AA-27628                   4970±55

142-144                          AA-27627                   3275±50

96-98                              SRR-6187                   2450±45

14-16                              SRR-6186                   815±40

 

Freshwater West

4-7                                  Q-530                          5960±120

-2.0 m OD

 

Glaslyn

Base of peat                    I-4928                         3870±100

 

Glaslyn 2                        

Base of primary pedogenic peat                           2740±50

Base of secondary pedogenic peat                       2700±50

Base of climatic peat                                            2640±50

 

Glaslyn Lake

Core C

966.5-987.5                    SRR-3938                   8900±65

894.5-909.5                    SRR-3937                   6570±60

801.5-814.5                    SRR-3936                   4300±60

770.5-783.5                    OxA-3004                   3540±140

 

Hendre Fach

Basal                               GU-1393                     10145±195

Basal                                                                   9410±125

124                                 GU-1415                     8670±85

 

Llanllwch

Q-459                             3178±100

Q-458                             3230±110

 

80                                   SWAN-148                 3710±70

76                                   SWAN-94                   3000±60

34                                   SWAN-93                   1730±60

 

Llannerch

105                                 SRR-2087                   2810±90

58                                   SRR-2086                   510±180

 

Lydstep

79                                   OxA-1378                   6150±120

pig                                   OxA-1412                   5300±100

 

Machynys, Llanelli

-1.883to-1.923               Beta-139984                3790±70

-1.283 to -1.330             Beta-139983                3730±70

-0.583 to -0.633             Beta-139982                2870±70

 

Marros

145-148                          CAR-1117                   5300±80

55-56                              CAR-1116                   4640±70

 

Newquay Trawling Grounds

-26.55to                          Birm-400                     8740±110

-26.60 m altitude

 

Pen-y-bont, Newport, Pembrokeshire

185                                 CAR-1142                   3650±80

 

Newport

237                                 Beta-163489                4630±50

44                                   Beta-163488                950±40

 

Newport Sands*

-1.6m OD                       HAR-78                       6370±150

 

Pen Rhiw-Wen

N

CAR-66                          4825±55

CAR-85                          4930±60

CAR-84                          4855±75

CAR-83                          1223±60

CAR-64                          705±60

 

M

CAR-14                          5740±100

CAR-13                          5705±80

CAR-12                          4770±70

CAR-11                          4245±70

CAR-10                          3330±60

 

L                                    

CAR-18                          5825±65

CAR-17                          4720±75

CAR-16                          2340±65

CAR-15                          1150±50

 

H

CAR-26                          3375±70

CAR-25                          2965±75

CAR-24                          2745±65

CAR-23                          2095±70

CAR-22                          1245±55

CAR-21                          775±55

 

K

CAR-38                          5445±70

CAR-37                          4800±85

CAR-36                          3860±85

CAR-35                          3130±60

CAR-34                          2055±65

CAR-33                          530±75

 

CAR-32                          3150±85

CAR-31                          2665±65

CAR-30                          2395±45

CAR-29                          985±70

CAR-28                          885±65

 

Teifi Lakes

Pinewood                        Q-394                          5261±120

 

Tregaron

413-416 Q930                10250±220

404-406 Q931                9747±220

398-400 Q932                9550±200

390-392 Q933                9303±190

354-356 Q934                8285±150

348-350 Q935                8152±150

248-250 Q936                7128±180

242-244 Q937                6991±180

236-238 Q938                6978±140

228-230 Q939                6526±110

214-216 Q940                5979±100

172-174 Q941                5110±70

167-169 Q942                4990±70

163-165 Q943                4893±70

152-154 Q944                4715±55

144-146 Q945                4695±52

86-88                              Q946                           3336±50

62-64                              Q947                           2922±50

 

82-84                              Q596                           ????

 

67.5-68.25                      Q389                           3029±110

in                                                                         2879±110

66-66.75                         Q388                           2669±111

in.                                                                        2624±111

25-26 in. Q391                1477±90

18-19 in  Q390                768±90

                                                                          

                                       Q75                             760±70

 

TSE

562-570 SRR-5644        6775±50

536-544                          SRR-5643                   6480±45

338-346                          SRR-5642                   4035±45

71                                   CAMS-60858             2090±40

54                                   CAMS-60859             1820±40

37                                   CAMS-60857             1610±40

20                                   CAMS-64375             820±40

 

TWA2

146                                 CAM-66648                1910±40

115                                 CAM-66649                1700±40

97                                   CAM-66650                1540±40

54                                   CAM-66651                1060±40

30                                   CAM-66652                900±40

 

 

Tro'r Derlwyn Quarter Bach

42.5-43.5                        Beta-136983                350±80

36.5-37.5                        Beta-136982                1320±80

 

Ty-Rhyg

60                                   SRR-2092                   950±160

 

Waunwelw

105                                 SRR-2091                   5290±350

80                                   SRR-2090                   5580±160

52                                   SRR-2089                   6580±190

25                                   SRR-2088                   1980±150

 

Whitesands Bay

25-30                              CAR-1176                   5250±80

auroch                             CAR-1183                   4540±70

 

Whitland Bypass

1

99-100                            Beta-98684                  4700±70

14-16                              Beta-98683                  2130±70

0-2                                  Beta-98682                  1030±60

 

2

108-110                          Beta-98687                  4080±70

70-72                              Beta-98686                  2570±70

4-6                                  Beta-98685                  1970±70

 

Ynys Tachwedd

31.39-30.78                    SRR-2504                   9870±100

-28.62 to -28.01m OD

27.17-26.75                    SRR-2503                   9710±50

-24.40--23.98 m OD

 

 

Ystwyth Forest

Charcoal Q-814              2133±110 BP

 

Yynslas                         

Birch wood                     Q-380                       6026±135

 

Ynyslas Sector of Borth Bog

1

-25 cm OD      5150±90

+27 cm OD      4700±70

+112 cm OD    3740±70

 

4

+100 cm OD    3050±70

+180 cm OD    1510±70

 

Yynyslas Pine

-10-+10                          GU-711                       5106±48

0-10                                GU-712                       4935±89

11-20                              GU-713                       5009±52

21-30                              GU-714                       4974±39

31-40                              GU-715                       4956±45

41-50                              GU-716                       5035±46

51-60                              GU-717                       4924±40

61-70                              GU-718                       4930±48

 

Ynyslas 1 Replicate Analyses

GU-669                          4825±52

GU-670                          5012±41

GU-671                          4904±39

GU-672                          5004±39

GU-673                          4819±45

GU-674                          5003±37

GU-675                          4823±42

GU-676                          4791±40

GU-677                          4752±33

GU-678                          4930±37

GU-679                          4873±33

GU-680                          4765±35

GU-681                          4863±36

GU-682                          4899±34

GU-683                          4770±37

GU-684                          4866±35

GU-685                          4747±42

GU-686                          4887±30

GU-687                          4771±35

GU-688                          4968±29

GU-689                          4788±28

GU-690                          4933±29

GU-691                          4839±28

GU-692                          4739±33

 

 

 

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