What is the size of silt particle?

Question: What is the size of silt particle?

Options:

2-0.2 mm
0.2-0.02 mm
0.1-0.25 mm
0.02-0.002 mm

✅ Classification of Soil Particles Based on Size

🌿 Stone:
→ ISSS: > 250 mm
→ USDA: > 250 mm

🌿 Gravels:
→ ISSS: 2-75 mm
→ USDA: 2-75 mm

🌿 Very Coarse Sand:
→ ISSS: Not specified
→ USDA: 1.0-2.0 mm

🌿 Coarse Sand:
→ ISSS: 2-20 mm
→ USDA: 0.1-0.25 mm

🌿 Fine Sand:
→ ISSS: 0.2-0.002 mm
→ USDA: 0.002-0.05 mm

🌿 Very Fine Sand:
→ ISSS: Not specified
→ USDA: 0.05-0.1 mm

🌿 Silt:
→ ISSS: 0.02-0.002 mm
→ USDA: 0.002-0.05 mm

🌿 Clay:
→ ISSS: < 0.002 mm
→ USDA: < 0.002 mm