Climate and Time in Their Geological Relations / A Theory of Secular Changes of the Earth's Climate

by James Croll

	ft.	ins.
Sandy clay	5	0
Brown clay and stones	17	0
Mud	6	0
Sandy mud	31	0
Sand and gravel with water	28	0
Sandy clay and gravel	17	0
Sand	5	0
Mud	6	0
Sand	14	0
Gravel	30	0
Brown sandy clay and stones	30	0
Hard red gravel	4	6
Light mud and sand	1	8
Light clay and stones	6	6
Light clay and whin block	26	0
Fine sandy mud	36	0
Brown clay and gravel and stones	14	4
Bark clay and stones	68	0
	———————
	355	0

Bore at West Millichen, about 100 yards east of farm-house.

	ft.	ins.
Soil	1	6
Muddy sand and stones	4	6
Soft mud	4	4
Sand and gravel	45	0
Sandy mud and stones	20	6
Coarse gravel	11	6
Clay and gravel	1	4
Fine mud	7	0
Sand and gravel	2	0
Sandy mud	30	6
Brown sandy clay and stones	25	0
Sand and gravel	6	0
Brown sandy clay and stones	12	0
Sand	2	0
Brown sandy clay and stones	4	0
Mud	5	0
Mud and sand	10	9
Sand and stones	2	9
Blue clay and stones	5	0
	———————
	200	4

Borings made through the Deposits filling the Eastern Channel.

No. 1. Between Towncroft Farm and Carron River—200 yards from river. Height of surface, 12 feet above sea-level.

	Feet.
Surface sand	6
Blue mud	4
Sand	4
Gravel	3
Sand	33
Red clay	46
Soft blue till	17
Hard blue till	140
Sand	20
	——
	273

No. 2. About 150 yards north of No. 1. Height of surface, 12 feet above sea-level.

	Feet.
Surface sand	6
Blue mud	3
Shell bed	1
Gravel	2
Blue mud	8
Gravel	3
Blue muddy sand	15
Red clay	49
Blue till and stones	20
Sand	20
Hard blue till and stones	24
Sand	2
Hard blue till and stones	40
Sand	7
Hard blue till	24
	——
	234

No. 3. About 150 yards north of No. 2. Height of surface, 12 feet above sea-level.

	Feet.
Surface sand	6
Soft mud with shells	11
Blue mud and sand (hard)	3
Channel (rough gravel)	3
Fine sand	8
Running sand (red and fine)	17
Red clay	30
Soft till	36
Sand (pure)	2
Soft till and sand	17
Gravel	8
Hard blue till	14
	——
	155