Ford Formation
Members: unnamed (130), Tunstall (1)
Lithologies: not reported (86), "siliciclastic" (43), claystone (51), mudstone (110), "shale" (161), siltstone (23), sandstone (46), conglomerate (4), "mixed carbonate-siliciclastic" (2), marl (11), lime mudstone (17), chalk (4), wackestone (2), grainstone (9), "reef rocks" (24), bafflestone (1), "limestone" (342), dolomite (43), "carbonate" (8), chert (5), siderite (1)
Paleoenvironments: marine indet. (289), terrestrial indet. (30), carbonate indet. (180), peritidal (3), shallow subtidal indet. (80), open shallow subtidal (3), lagoonal/restricted shallow subtidal (2), sand shoal (1), reef, buildup or bioherm (61), perireef or subreef (10), deep subtidal shelf (3), offshore ramp (28), offshore shelf (5), offshore indet. (27), marginal marine indet. (18), coastal indet. (22), lagoonal (2), delta plain (5), foreshore (1), shoreface (1), transition zone/lower shoreface (1), offshore (153), submarine fan (1), basinal (siliciclastic) (1), deep-water indet. (2), fluvial indet. (1), "channel" (1), lacustrine delta front (1), lacustrine indet. (1)
Oldest occurrences | |||
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Caerfai | Canada (New Brunswick) | (34567 34569 34570 34571 34572 34573 34575 34751 34576 34577 34578 34579 34580 34595 34596 34597 34752) | |
Middle Cambrian | Canada (New Brunswick) | (64533 64535 64536 64537 64539) | |
Cassinian | Canada (Ontario) | (56476 56477 56478) | |
Arenig | Canada (Ontario) | (173871) | |
Floian | Canada (Ontario) | (173861) | |
Llanvirn | USA (Virginia) | (33444 33445 33446 33447 33448) | |
Llanvirn | USA (Tennessee) | (37450) | |
Gisbornian - Harnagian | Australia (New South Wales) | (2714 2715 2716 2717 2718 2755 2750) | |
Soudleyan - Marshbrookian | Ireland (Co. Meath) | (50346) | |
Gisbornian - Eastonian | Australia (New South Wales) | (2719) | |
Youngest occurrences |
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Time interval | Ma | Country or state | PBDB collection number |
Middle Miocene | Australia (Victoria) | (48648 51397 71242 71351 72201 72206 72209 176003) | |
Serravallian | Australia (Victoria) | (51396 179946 179950) | |
Late/Upper Pliocene | Australia (Victoria) | (136458) | |
Late/Upper Pliocene - Pleistocene | USA (Florida) | (79847) | |
Gelasian | United Kingdom (England) | (77747) | |
Early/Lower Pleistocene | United Kingdom (England) | (98111 98112 98113 98114) | |
Pleistocene | USA (Oregon) | (59062) | |
Pleistocene | United Kingdom (England) | (84760 84854 84858) | |
Middle Pleistocene | USA (Oregon) | (186604 194882 222407 222408 227922 227923) | |
Middle Pleistocene | Ireland | (178118) |