Pelletized basalt for use as a soil amendment

1. A soil amendment composition comprising:

at least one of basalt, metabasalt, or a combination thereof, wherein the at least one of basalt, metabasalt, or a combination thereof is present at 50 wt % to 98 wt % based on a total weight of the soil amendment composition; and

a binding agent,

wherein the binding agent is present at 1 wt % to 20 wt % based on the total weight of the soil amendment composition,

wherein the binding agent is humic acid,

wherein the soil amendment composition is in the form of a plurality of particles, and

wherein the plurality of particles have an average particle size of about 0.25 mm to about 10 mm.

2. The soil amendment composition of claim 1 , wherein the soil amendment composition comprises basalt.

3. The soil amendment composition of claim 1 , wherein the soil amendment composition comprises metabasalt.

4. The soil amendment composition of claim 1 , wherein the binding agent is present at 1 wt % to 15 wt % based on the total weight of the soil amendment composition.

5. The soil amendment composition of claim 4 , wherein the binding agent is present at 1 wt % to 10 wt % based on the total weight of the soil amendment composition.

6. The soil amendment composition of claim 5 , wherein the binding agent is present at 1 wt % to 5 wt % based on the total weight of the soil amendment composition.

7. The soil amendment composition of claim 1 , wherein the at least one of basalt, metabasalt, or a combination thereof is present at 80 wt % to 98 wt % based on the total weight of the soil amendment composition.

8. The soil amendment composition of claim 7 , wherein the at least one of basalt, metabasalt, or a combination thereof is present at 90 wt % to 98 wt % based on the total weight of the soil amendment composition.

9. The soil amendment composition of claim 1 , further comprising an inorganic compound that includes at least one of nitrogen, phosphorus, potassium, or combinations thereof.

10. The soil amendment composition of claim 9 , wherein the inorganic compound is present at 0.5 wt % to 20 wt % based on the total weight of the soil amendment composition.

11. The soil amendment composition of claim 1 , further comprising lime.

12. The soil amendment composition of claim 1 , wherein the soil amendment composition is substantially free of a microbial component.

13. The soil amendment composition of claim 1 , where the plurality of particles have an average particle size of about 1 mm to about 4 mm.

14. The soil amendment composition of claim 1 , wherein the plurality of particles have an average particle size about 2 mm to about 3 mm.

15. A soil amendment composition comprising:

at least one of basalt, metabasalt, or a combination thereof, wherein the at least one of basalt, metabasalt, or a combination thereof is present at 50 wt % to 98 wt % based on a total weight of the soil amendment composition; and

a binding agent,

wherein the binding agent is present at 1 wt % to 20 wt % based on the total weight of the soil amendment composition,

wherein the soil amendment composition is in the form of a plurality of particles,

wherein the binding agent is a combination of humic acid and lignosulfonate, and

wherein a weight ratio of the humic acid and the lignosulfonate is 10:1 to 99:1.

16. The soil amendment composition of claim 15 , wherein the soil amendment composition comprises basalt.

17. The soil amendment composition of claim 15 , wherein the at least one of basalt, metabasalt, or a combination thereof is selected from the group consisting of (a) tholeiitic basalt, (b) high-alumina basalt, (c) alkali basalt, (d) boninite, (e) ocean island basalt, and (f) lunar basalt.

18. The soil amendment composition of claim 15 , wherein the soil amendment composition comprises metabasalt.

19. The soil amendment composition of claim 15 , wherein the plurality of particles have an average particle size of about 0.25 mm to about 10 mm.