Table 2.

Summary of palaeotemperature analysis and default thermal history interpretations

Sample numberPredicted FTA from DTH (Ma); measured FTA (Ma)Predicted MTL from DTH (μm); measured MTL (μm)Cooling episodes
Pre-CretaceousCretaceousEarly CenozoicMid- to Late Cenozoic
Maximum palaeotemperature (°C)Onset of cooling (Ma)Maximum palaeotemperature (°C)Onset of cooling (Ma)Maximum palaeotemperature (°C)Onset of cooling (Ma)Maximum palaeotemperature (°C)Onset of cooling (Ma)
West Orkney Basin
GC523-24208–290 (76.5)14.7 (12.12)≥105200–7590–10065–15
GC503-146146–210 (239.3)14.7 (11.90)85–95190–18550–7050–0
GC503-147208–290 (300.4)14.7 (10.98)85–95180–13045–8030–0
GC503-148178–208 (201.5)14.7 (11.26)90–100185–5545–8055–0
GC503-149208–290 (281.5)14.7 (11.50)85–110≥4535–8555–0
GC503-150208–290 (295.8)14.7 (11.88)80–90190–4530–7045–0
GC503-151208–290 (428.6)14.7 (11.54)80–105≥5030–8070–0
202/19-1
GC503-84246 (138.6)14.7 (12.27)95–100155–8040–6555–0
GC503-85246 (162.5)14.4 (13.21)≥100180–7050–90120–0
GC503-86246 (138.1)14.1 (12.30)≥100150–7050–9090–0
GC503-87243 (82.5)13.7 (11.88)≥110200–90
GC503-88238 (65.8)13.2 (12.99)≥110130–70
GC503-89239 (107.8)13.2 (12.81)≥120130–8060–105105–0
GC503-90236 (70.1)12.8 (11.82)≥120130–7060–11080–0
GC503-91225 (58.5)12.0 (12.03)≥110110–5080–10555–0
GC503-92200 (57.4)10.8 (11.08)≥115180–7090–11065–10
Overlap110–9030–15
Hebrides
GC503-184570 (176.4)14.7 (12.41)100–105180–11075–8580–40
GC503-185208–290 (212.1)14.7 (12.11)75–90155–30
GC523-11208–290 (119.2)14.7 (10.88)95–10075–3055–8015–0
GC523-13800–1100 (133.2)14.7 (10.08)115–125270–9090–10080–0
GC523-14208–290 (72.2)14.7 (11.05)100–10590–10
GC523-15208–290 (139.5)14.7 (12.08)105–115200–10080–9590–20
GC523-23208–290 (160.1)14.7 (11.63)95–105140–7560–8550–0
GC523-47208–245 (187.7)14.7 (12.68)90–105205–13055–7070–5
GC523-48208–245 (184.3)14.7 (12.37)95–105180–9555–7555–0
GC523-49208–245 (219.8)14.7 (11.45)95–100155–7545–7030–0
GC523-51208–290 (270.3)14.7 (12.11)80–95260–10050–7040–0
GC523-52208–290 (220.8)14.7 (14.51)80–105270–8045–7570–0
GC523-551100–2900 (238.9)14.7 (12.89)95–105270–17050–6550–0
GC523-56208–245 (215.7)14.7 (11.80)85–95170–7045–6525–0
GC523-80800 (227.3)14.7 (11.39)100–105235–12070–8080–10
GC523-931100–2900 (70.8)14.7 (14.25)100–110100–40
GC523-951100-2900 (201.4)14.7 (14.40)≥120225–17545–70100–55
GC523-971100–2900 (180.9)14.7 (12.95)105–110240–14045–75100–0
GC523-981100–2900 (216.7)14.7 (13.91)≥105270–19045–65120–20
GC523-1101100–2900 (147.7)14.7 (11.79)100–110250–7075–9065–5
GC523-111800–1100 (296.1)14.7 (12.15)90–100270–10050–7580–5
GC523-1121100–1900 (234.2)14.7 (12.13)70–100240–070–100240–070–100240–0
Overlap225–190140–13075–4015–10
134/5-1
GC523-58184 (256.7)14.0 (12.11)45–90195–0
GC369-1180 (81.1)13.5 (10.11)95–100125–0
GC369-2167 (57.7)12.7 (14.30)≥12585–25
GC523-68129 (74.5)9.9 (12.46)≥100245–20
GC369-396 (19.6)10.3 (10.30)≥12050–20
GC369-429 (8.7)10.0 (11.24)≥11565–10
GC369-518 (7.6)10.6 (10.54)≥12545–10
Overlap85–2545–20
Skye, Mull and Morvern
GC523-1208–290 (229.2)14.7 (10.66)85–9070–10
GC523-2800 (206.4)14.7 (10.43)100–120370–10080–9570–10
GC523-3208–290 (208.1)14.7 (10.75)80–9065–10
GC523-490–97 (221.2)14.7 (10.99)90–10590–2530–6530–0
GC523-590–97 (219.2)14.7 (10.82)90–11097–3050–8530–0
GC523-6800 (59.5)14.7 (11.43)≥10070–5045–6525–0
GC523-8800 (177.8)14.7 (10.82)100–105255–10085–9530–10
GC523-9363–403 (231.1)14.7 (10.87)≥100400–21085–9595–5
GC523-10146–208 (60.6)14.7 (13.04)≥12570–5065–8025–10
GC523-71386–408 (228.4)14.7 (12.08)110–120285–19080–9090–35
GC523-72333–350 (157.0)14.7 (10.83)95–100100–2545–8025–0
GC523-74333–350 (142.6)14.7 (10.53)10070–2030–9525–0
GC523-77363–408 (203.7)14.7 (11.48)95–105305–13580–9060–20
GC523-78800 (151.6)14.7 (10.12)95–10060–2045–9020–0
GC523-79208–245 (67.9)14.7 (12.58)100–10575–3560–7525–5
GC523-83178–208 (52.3)14.7 (13.53)≥11565–4035–9040–0
GC523-84178–208 (54.7)14.7 (13.91)≥12070–5045–8045–10
GC523-88800–1100 (61.9)14.7 (13.43)≥11075–5530–7550–0
GC523-89157–178 (71.2)14.7 (14.39)≥12095–6020–9565–0
GC523-91157–178 (219.2)14.7 (12.11)85–95135–5530–7580–10
GC523-99157–178 (66.4)14.7 (13.92)≥10585–5030–6545–0
GC523-102157–178 (68.0)14.7 (14.14)≥11080–5530–6545–0
GC523-105800–1100 (60.6)14.7 (12.60)115–12590–6055–7540–0
GC523-106178–208 (275.7)14.7 (10.85)85–9080–2025–6520–0
GC523-108208–290 (179.6)14.7 (10.19)90–10065–0
GC523-109800–1100 (270.9)14.7 (10.35)95–100280–5055–9040–0
RD17-41800 (179.8)14.7 (11.98)>100245–19580–90175–6055–7530–0
RD17-42420 (207.9)14.7 (11.76)>100280–22575–95225–2560–8025–0
RD17-43800 (213.7)14.7 (11.89)>100280–17075–90175–2540–7025–0
RD17-44420 (187.7)14.7 (11.96)>100260–20570–85205–3070–8030–0
RD17-45420 (195.1)14.7 (12.02)>100270–22570–8030–0
RD17-46420 (204.1)14.7 (12.14)>100265–22570–8035–0
RD17-47420 (202.9)14.7 (12.28)>100270–22070–8045–0
RD17-48420 (188.6)14.7 (12.02)>100255–20080–85100–2535–6520–0
Overlap245–225175–10065–6020–10