Table 5 CRa and SCb of geomorphological and geological units for each terrain group in California and Australia
From: Global terrain classification using 280 m DEMs: segmentation, clustering, and reclassification
Terrain group | California, lithological unit of Wills et al. (2015) | Australia, geological unit reclassifiedc from Blake and Kilgour (1998) | Australia, major landform unit of Chan et al. (1986) |
|---|---|---|---|
1a | Crystalline rocks (61%) (×2.1), Franciscan complex rocks (17%) (×2.7), Tertiary volcanic units (8%), Tertiary sandstone units (6%), others (8%) | Sedimentary rocks (51%), granites (19%), felsic volcanics (8%) (×5.8), mafic intrusives (6%) (×9.1), Cenozoic mafic volcanics (6%) (×4.1), metamorphics (6%), others (4%) | Mountains (59%) (×10.1), plateau (15%), hills (12%), low hills (7%) |
1b | Crystalline rocks (59%) (×2.0), Tertiary volcanic units (19%), Tertiary sandstone units (5%), others (17%) | Sedimentary rocks (49%), granites (29%) (×2.9), metamorphics (5%), others (17%) | Hills (35%) (×3.2), mountains (34%) (×5.8), low hills (7%) |
2a | Crystalline rocks (45%), Tertiary sandstone units (14%), Franciscan complex rocks (13%) (×2.0), Tertiary volcanic units (9%), Tertiary shale and siltstone units (7%), others (12%) | Sedimentary rocks (58%), granites (16%), felsic volcanics (6%) (×4.4), Cenozoic mafic volcanics (6%) (×4.1), others (14%) | Mountains (45%) (×7.7), hills (21%), low hills (11%) |
2b | Crystalline rocks (36%), Tertiary volcanic units (15%), Tertiary sandstone units (14%), Holocene alluvium (steep slopes) (12%), Cretaceous sandstone (6%) (×2.8), Tertiary shale and siltstone units (6%), others (11%) | Sedimentary rocks (66%), granites (12%), metamorphics (7%), others (15%) | Hills (24%) (×2.2), mountains (23%) (×4.0), plateau (17%), low hills (12%), rises (7%) |
3a | Crystalline rocks (32%), Tertiary volcanic units (18%), Tertiary sandstone units (11%), Holocene alluvium (steep slopes) (9%), Franciscan complex units (7%), Tertiary shale and siltstone units (6%), Pleistocene alluvium (6%), Pleistocene - Pliocene alluvial deposits (5%), others (6%) | Sedimentary rocks (55%), granites (17%), mafic volcanics (6%) (×2.2), felsic volcanics (6%) (×4.2), others (16%) | Hills (30%) (×2.8), low hills (23%) (×2.1), mountains (22%) (×3.9), plateau (13%) |
3b | Holocene alluvium (steep slopes) (22%) (×2.1), crystalline rocks (16%), Tertiary volcanic units (14%), Tertiary sandstone units (14%), Pleistocene alluvium (12%), Pleistocene–Pliocene alluvial deposits (7%) (×2.9), Tertiary shale and siltstone units (7%), others (8%) | Sedimentary rocks (62%), Cenozoic regolith (10%), granites (10%), metamorphics (6%), others (12%) | Hills (23%) (×2.1), low hills (20%), mountains (14%) (×2.4), plateau (13%), rises (9%), erosional plain (6%) |
4 | Tertiary volcanic units (39%) (×3.5), crystalline rocks (25%), Holocene alluvium (steep slopes) (18%), Pleistocene alluvium (8%), others (10%) | Sedimentary rocks (58%), mafic volcanics (13%) (×4.8), Cenozoic mafic volcanics (8%) (×5.2), metamorphics (6%), Cenozoic regolith (5%), others (10%) | Hills (37%) (×3.4), low hills (22%) (×2.0), mountains (20%) (×3.5), lava plain (7%) (×10.3), plateau (6%) |
5 | Holocene alluvium (steep slopes) (44%) (×4.3), Pleistocene alluvium (19%), crystalline rocks (15%), Tertiary volcanic units (13%), others (9%) | Sedimentary rocks (65%), Cenozoic regolith (15%), Cenozoic mafic volcanics (7%) (×5.0), others (13%) | Low hills (30%) (×2.8), hills (22%) (×2.1), coastal dunes (7%) (×14.8), dunefield (7%), lava plain (6%) (×9.3), mountains (6%) |
6 | Tertiary sandstone units (19%) (×2.3), Tertiary volcanic units (19%), Pleistocene alluvium (18%), Holocene alluvium (steep slopes) (13%), crystalline rocks (10%), Holocene alluvium (moderate slopes) (8%), Pleistocene–Pliocene alluvial deposits (7%) (×3.0), others (6%) | Sedimentary rocks (47%), Cenozoic regolith (20%), granites (13%), metamorphics (6%), mafic volcanics (6%) (×2.1), others (8%) | Hills (25%) (×2.3), low hills (18%), mountains (11%), plateau (10%), rises (9%), dunefield (8%), sand plain (6%), erosional plain (5%) |
7 | Tertiary volcanic units (24%) (×2.1), Pleistocene alluvium (21%) (×2.0), Holocene alluvium (steep slopes) (21%) (×2.0), crystalline rocks (10%), Tertiary sandstone units (8%), Pleistocene - Pliocene alluvial deposits (5%), others (11%) | Sedimentary rocks (57%), Cenozoic regolith (15%), granites (11%), metamorphics (6%), others (11%) | Hills (23%) (×2.1), low hills (17%), plateau (14%), dunefield (12%), rises (10%), mountains (9%), erosional plain (6%) |
8 | Holocene alluvium (moderate slopes) (28%) (×4.2), Pleistocene alluvium (23%) (×2.2), tertiary volcanic units (21%), Holocene alluvium (very low slopes) (8%), tertiary sandstone units (8%), Holocene alluvium (steep slopes) (6%), others (6%) | Cenozoic regolith (42%), sedimentary rocks (36%), granites (8%), metamorphics (5%), others (9%) | Dunefield (23%) (×2.2), sand plain (13%), plateau (12%), erosional plain (11%), rises (9%), low hills (8%), hills (8%), depositional plain (6%) |
9 | Holocene alluvium (moderate slopes) (34%) (×5.1), Holocene alluvium (steep slopes) (32%) (×3.1), Pleistocene alluvium (21%) (×2.0), Tertiary volcanic units (5%), others (8%) | Sedimentary rocks (36%), Cenozoic regolith (32%), granites (18%), metamorphics (6%), others (8%) | Plateau (23%) (×2.1), erosional plain (16%), dunefield (14%), sand plain (10%), low hills (9%), rises (8%), hills (6%), depositional plain (6%) |
10 | Holocene alluvium (moderate slopes) (42%) (×6.3), Holocene alluvium (very low slopes) (23%), Pleistocene alluvium (21%) (×2.0), others (14%) | Cenozoic regolith (38%), sedimentary rocks (38%), granites (10%), metamorphics (6%), others (8%) | Erosional plain (18%), dunefield (14%), plateau (12%), sand plain (10%), rises (10%), low hills (9%), depositional plain (8%) |
11 | Holocene alluvium (very low slopes) (53%) (×6.6), Pleistocene alluvium (23%) (×2.2), Holocene alluvium (moderate slopes) (18%) (×2.7), others (6%) | Cenozoic regolith (46%), sedimentary rocks (33%), granites (9%), others (12%) | Erosional plain (22%), sand plain (12%), depositional plain (11%), plateau (10%), low hills (9%), dunefield (9%), rises (8%) |
12 | Holocene alluvium (very low slopes) (72%) (×8.9), Pleistocene alluvium (26%) (×2.5), others (2%) | Cenozoic regolith (72%), sedimentary rocks (17%), others (11%) | Erosional plain (25%), depositional plain (15%), alluvial plain (12%) (×2.8), sand plain (11%), flood plain (8%) (×4.3), plateau (6%), low hills (6%) |