| Early Cretaceous units |
| Fundy Group |
| Scots Bay Formation |
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| McCoy Brook Formation |
| North Mountain Formation: southern mainland |
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| North Mountain Formation: northern mainland |
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| Blomidon Formation: southern mainland |
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| Blomidon Formation: northern mainland |
| Wolfville Formation: southern mainland |
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| Wolfville Formation: northern mainland |
| Pictou Group |
| Cape John Formation |
| Tatamagouche Formation |
| Balfron Formation |
|
| Broad Cove Formation |
| Morien Group |
| Sydney Mines Formation |
| Glengarry Valley Formation |
| Big Barren Formation |
| Waddens Cove Formation |
| South Bar Formation |
| Cumberland Group |
| Inverness Formation |
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| Scotch Village Formation |
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| Stellarton Formation |
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| New Glasgow Conglomerate |
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| Malagash Formation |
| Middle River Formation |
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| Ragged Reef Formation |
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| Malagash and Ragged Reef Formations |
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| Springhill Mines Formation |
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| Joggins Formation |
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| Polly Brook Formation |
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| Boss Point Formation |
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| Parrsboro Formation |
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| Port Hood Formation: northern mainland |
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| Port Hood Formation: Cape Breton Island |
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| Silver Mine Formation |
| Claremont and Millsville Formations |
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| Boss Point and Claremont Formations |
| Mabou Group |
| Watering Brook Formation |
| Middleborough and Shepody Formations |
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| Pomquet Formation |
| Hastings Formation |
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| Pomquet and Point Edward Formations |
| Hastings, Cape Dauphin and MacKeigan Road Formations |
| Windsor Group: southern mainland |
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| Windsor Group: northern mainland |
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| Windsor Group: Cape Breton Island |
| Murphy Road, Pesaquid and Green Oaks Formations |
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| Lime-Kiln Brook, Churchville and Hood Island Formations |
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| Hood Island, Woodbine Road and Uist Formations |
| Wentworth Station, Miller Creek, MacDonald Road and Elderbank Formations |
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| Pugwash Mine, Forbes Lake, Addington, Wallace Brook and Lakevale Formations |
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| Loch Lomond, Enon and Meadows Road Formations |
| Lower and Middle Windsor Groups undivided: northern mainland |
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| Lower and Middle Windsor Groups undivided: Cape Breton Island |
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| White Quarry, Stewiacke, Carrolls Corner, Macumber and Gays River Formations |
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| Bridgeville, Holmes Brook, Hartshorn, Gays River and Macumber Formations |
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| Kempt Head, Sydney River, Gays River, MacBeth Brook and Macumber Formations |
| Horton Group: southern mainland |
| Coldstream Formation |
| Cheverie Formation |
| Horton Bluff Formation |
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| Horton Group: northern mainland |
| Wilkie Brook Formation |
| Falls Formation |
| Nuttby Formation |
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| Greville River Formation |
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| Rapid Brook Formation |
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| Horton Group: Cape Breton Island |
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| Ainslie and Strathlorne Formations |
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| Judique Formation |
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| Creignish Formation |
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| Grantmire Formation |
| Fountain Lake Group |
| Diamond Brook Formation |
| Byers Brook Formation |
| Clam Harbour River Formation |
| Glenkeen Formation |
| Sunnyville Formation |
| unnamed Devonian conglomerate unit |
| unnamed Devonian volcanic unit |
| McAras Brook Formation |
| Murphy Brook Formation |
| Fisset Brook Formation |
| Liscomb Complex: Paragneiss |
| Liscomb Complex: Orthogneiss |
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| McAdam Lake Formation |
| Portapique River Formation |
| Torbrook Formation |
| Knoydart Formation |
| Knoydart and Stonehouse Formations |
| Beechhill Cove, Ross Brook, French River, McAdam, Moydart and Stonehouse Formations |
| Bears Brook Formation |
| Clyburn Brook Formation |
| Wilson Brook Formation |
| Earltown Formation |
|
| Unnamed unit |
| New Canaan Formation |
| Kentville Formation |
| White Rock Formation, primarily nearshore marine |
| White Rock Formation, lavas and volcaniclastic rocks |
| Sarach Brook Metamorphic Suite |
| Jumping Brook Metamorphic Suite, undivided |
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| Jumping Brook Metamorphic Suite, metamorphosed siltstone, minor rhyolite |
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| Jumping Brook Metamorphic Suite, metamorphosed basalt |
| Money Point Group, undivided |
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| Money Point Group, metavolcanic rocks |
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| Money Point Group, metasedimentary rocks |
| Cheticamp Lake Gneiss |
| Mabou Highlands Metamorphic Suite |
| Middle River Metamorphic Complex |
| Cape North Group |
| unnamed Proterozic - Devonian metamorphic unit |
| McLeod Brook Formation |
| Halifax Formation |
| Green Bay Formation |
| Goldenville Formation |
| Black John, Little Hollow and Ferrona Formations |
| Gregwa, Dugald and Eskasoni Formations |
| MacNeil Formation |
| MacMullin Formation |
| MacLean Brook Formation |
| Trout Brook Formation |
| Malignant Cove and Arbuckle Brook Formations |
| MacCodrum and Canoe Brook Formations |
| Morrison River, Sgadan and Bengal Road Formations |
| Kelvin Glen Formation |
| Main-A-Dieu Group |
| Price Point Formation |
| Fourchu Group |
| Great Village River Gneiss |
| Gamble Brook Formation |
| Folly River Formation |
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| Cranberry Lake, Humming Brook and Gilbert Hills Formations |
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| Dalhousie Mountain Volcanics |
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| Warwick Mountain Formation |
| Georgeville Group |
| South Rights Formation |
| Clydesdale Formation |
| James River Formation |
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| Maple Ridge Formation |
| Keppock Formation |
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| Livingstone Cove Formation |
| Morar Brook Formation |
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| Chisholm Brook Formation |
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| Pringle Mountain Group |
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| East Bay Hills Group |
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| Coxheath Hills Group |
| George River Metamorphic Suite: undivided |
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| George River Metamorphic Suite: low-medium metamorphic grad schists |
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| George River Metamorphic Suite: metaconglomerate, quartzite |
| George River Metamorphic Suite: calcsilicate rock, moarble |
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| George River Metamorphic Suite: flows and tuff |
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| McMillan Flowage Formation: low - med. metamorphic grade schists |
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| McMillan Flowage Formation: intercalated with marble |
| Kellys Mountain Gneiss, Lime Hill Gneissic Complex and Skye Mountain Metamorphic Suite |
| Stirling Group |
| Mount Thom Complex |
| Blair River Complex |
| Carboniferous granite |
| Carboniferous gabbro |
| Late Carboniferous monzogranite |
| Devonian - Carboniferous granite: Cape Breton Island |
| Devonian - Carboniferous diorite - gabbro |
| Devonian - Carboniferous gabbro: northern mainland |
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| Devonian - Carboniferous granite: northern mainland |
| Devonian - Carboniferous diorite |
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| Devonian - Carboniferous gabbro: Cape Breton Island |
| Late Devonian granite |
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| Devonian - Early Carboniferous granite |
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| Devonian - Early Carboniferous diorite |
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| Middle - Late Devonian granite |
| Middle - Late Devonian diorite - gabbro |
| Middle - Late Devonian diorite |
| Middle - Late Devonian tonalite |
| Middle - Late Devonian granodiorite |
| Middle - Late Devonian monzogranite |
| Middle - Late Devonian biotite monzogranite |
| Middle - Late Devonian muscovite biotite monzogranite |
| Middle - Late Devonian leucomonzogranite |
| Middle - Late Devonian fine grained leucomonzogranite |
| Middle - Late Devonian muscovite leucomonzogranite |
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| Middle - Late Devonian granitoid |
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| Middle Devonian granite |
| Early Devonian orthogneiss |
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| Early Devonian granite |
| Early Devonian granodiorite |
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| Late Silurian granite |
| Silurian - Devonian orthogneiss |
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| Silurian - Devonian granite |
| Silurian - Devonian diorite |
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| Silurian - Devonian gabbro |
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| Ordovician - Silurian orthogneiss |
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| Ordovician - Silurian diorite |
| Ordovician - Silurian granite |
| Proterozoic - Devonian amphibolite |
| Middle Ordovician granite |
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| Proterozoic - Devonian orthogneiss |
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| Proterozoic - Devonian granite |
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| Proterozoic - Devonian granodiorite |
| Proterozoic - Devonian tonalite |
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| Proterozoic - Devonian gabbro |
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| Early Ordovician granite |
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| Cambrian - Ordovician granite |
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| Cambrian - Ordovician diorite |
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| Neoproterozoic - Cambrian granitoid |
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| Neoproterozoic granitoid |
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| Neoproterozoic granite |
| Neoproterozoic granodiorite |
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| Neoproterozoic diorite: Cape Breton Island |
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| Neoproterozoic tonalite |
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| Neoproterozoic diorite: northern mainland |
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| Neoproterozoic diorite - gabbro |
| Economy River Gneiss |
| Neoproterozoic diorite - gabbro |
| Mesoproterozoic anorthosite |
|
| Mesoproterozoic syenite |
