top_category
stringclasses 1
value | subcategory_1
stringclasses 3
values | subcategory_2
stringclasses 10
values | subcategory_3
stringclasses 54
values | subcategory_4
stringclasses 172
values | subcategory_5
stringclasses 602
values | subcategory_6
stringlengths 3
65
| subcategory_7
stringlengths 3
94
| subcategory_8
null |
|---|---|---|---|---|---|---|---|---|
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Pyroclastic rocks
|
Tephra
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Rocks in religion
|
Sacred rocks
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Rock climbing
|
Rock climbers
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Rock climbing
|
Climbing competitions
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Rock climbing
|
Climbing equipment
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Rock-cut architecture
|
Abu Simbel
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Rock-cut architecture
|
Cliff dwellings
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Rock-cut architecture
|
Indian rock-cut architecture
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Rock-cut architecture
|
Monolithic churches in Ethiopia
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Rock-cut architecture
|
Petra
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Rock-cut architecture
|
Rock-cut tombs
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Rock-cut architecture
|
Sacred caves
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Bitumen-impregnated rocks
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Bituminous sands
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Breccias
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Carbonate rocks
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Chert
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Claystone
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Coal
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Conglomerates (geology)
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Evaporite
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Flint (rock)
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Mudstone
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Oil shale
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Sandstone
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Shale
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Siltstone
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Sedimentary rocks
|
Slate
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Stone objects
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Alabaster
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Bluestone
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Building stone
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Claystone
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Conglomerates (geology)
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Deaths by stoning
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Fictional characters with earth or stone abilities
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Gravel roads
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Limestone
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Lithophones
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Mudstone
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Quarrying
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Sandstone
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Siltstone
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Stonemasonry
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Stone (material)
|
Stones
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Rocks
|
Rock stubs
|
Meteorite stubs
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Soil
|
Soil by country
|
Soil in Chile
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Soil
|
Soil by country
|
Soil science in India
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Soil
|
Soil by country
|
Soil in the United States
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Soil
|
Types of soil
|
Alkaline soils
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Soil
|
Types of soil
|
Clay
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Soil
|
Types of soil
|
Peat
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Soil
|
Types of soil
|
Permafrost
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Soil
|
Types of soil
|
Serpentine soils
| null |
Applied sciences
|
Applied and interdisciplinary physics
|
Geophysics
|
Structure of the Earth
|
Lithosphere
|
Soil
|
Types of soil
|
Soil classification
| null |
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