-
265.
Gneiss
Subjects
Metamorphic rocks
-
266.
Gold ores
Subjects
Minerals
-
267.
Granite
Subjects
Stone
-
268.
Graptolites
Subjects
Fossil invertebrates
-
269.
Gravity waves
Subjects
GravityHydrodynamicsWaves
-
270.
Greenhouse gas mitigation
Subjects
-
271.
Greenhouse gase
Subjects
Atmospheric pollutionGasesAtmospheric greenhouse effect
-
272.
Groundwater flow
Subjects
Groundwater hydrology
-
273.
Groundwater hydrology
Subjects
Hydrology
-
274.
Hail
Subjects
Precipitations (Meteorology)
-
275.
Heavy minerals
Subjects
Minerals
-
276.
Hippuritoida
Subjects
Fossil bivalves
-
277.
Historical geology
Subjects
Geology
-
278.
Holes
Subjects
-
279.
Holocene
Subjects
Quaternary
-
280.
Homo erectus
Subjects
Fossil hominids
-
281.
Humus
Subjects
Soils
-
282.
Hurricane Katrina, 2005
Subjects
Hurricanes
-
283.
Hurricanes
Subjects
Cyclons
-
284.
Hydrocarbon reservoirs
Subjects
-
285.
Hydrodynamics
Subjects
Fluid dynamicsHydraulic engineeringMechanicsAnalytical mechanicsFluid mechanics
-
286.
Hydrogeology
Subjects
Geology
-
287.
Hydrography
Subjects
-
288.
Hydrologic cycle
Subjects
Hydrology
Last updated dated: 21/02/2026