Heat Flow in the Campos Sedimentary Basin and Thermal History of the Continental Margin of Southeast Brazil

Table 8

Stretching parameters calculated for the sites of six wells, indicated in Figure 4. The error values refer to uncertainties in estimates of model fits.

Well ID	Elapsed time (Ma)	Extensional model
		Constant stretching (CS)	Variable stretching (VS)
		Crust and subcrust (β)	Subcrustal (β)	Crustal (δ)
RJS_5B	0–60	1.1 ± 0.1	2 ± 0.2	1.1 ± 0.1
	60–130	1.3 ± 0.1	1.6 ± 0.2	1.3 ± 0.1
RJS_13	0–40	1.6 ± 0.2	2 ± 0.2	1.5 ± 0.1
	40–60	1.4 ± 0.2	2 ± 0.2	1.3 ± 0.1
	60–130	1.2 ± 0.1	1.5 ± 0.1	1.2 ± 0.1
RJS_23	0–40	1.6 ± 0.2	1.6 ± 0.2	1.5 ± 0.1
	40–60	1.4 ± 0.1	1.6 ± 0.2	1.4 ± 0.1
	60–130	1.2 ± 0.1	1.5 ± 0.2	1.2 ± 0.1
RJS_33	0–60	1.6 ± 0.2	1.6 ± 0.2	1.5 ± 0.1
	60–100	1.4 ± 0.1	1.6 ± 0.2	1.3 ± 0.1
	100–130	1.2 ± 0.1	1.3 ± 0.1	1.1 ± 0.1
RJS_70	0–22	1.4 ± 0.1	1.6 ± 0.2	1.3 ± 0.1
	22–60	1.3 ± 0.1	1.5 ± 0.2	1.1 ± 0.1
	60–130	1.2 ± 0.1	1.3 ± 0.1	1.1 ± 0.1
RJS_99	0–40	1.6 ± 0.2	2 ± 0.2	1.7 ± 0.2
	40–60	1.5 ± 0.2	2 ± 0.2	1.5 ± 0.1
	60–130	1.4 ± 0.1	1.7 ± 0.2	1.1 ± 0.1