chasms_params (Noise params for chasms) noise_params_3d 0, 1, (75, 500, 2000), 94586, 2, 0.63, 2.0
chasms_threshold (Noise threshold for chasms) float 1.0
chasms_maxy (Maximum Y) int -50
chasms_miny (Minimum Y) int -3000
chasms_falloff (Taper distance) int 100