Minecraft wiki entry for Procedural_animated_texture_generation, associated text: 1 Blocks
1.1 Fire
1.2 Nether portals
1.3 Gears
2 Fluids
2.1 Water
2.1.1 Still water
2.1.2 Flowing water
2.2 Lava
2.2.1 Still lava
2.2.2 Flowing lava
3 Items
3.1 Clocks
3.2 Compasses
4 References