diff --git a/caverns.lua b/caverns.lua
index bc046ef..bbcc808 100644
--- a/caverns.lua
+++ b/caverns.lua
@@ -2,7 +2,7 @@
 
 local YMIN = -31000 -- Cave realm limits
 local YMAX = -30000
-local TCAVE = 0.8 -- Cave threshold: 1 = small rare caves,
+local TCAVE = 0 -- Cave threshold: 1 = small rare caves,
 					-- 0.5 = 1/3rd ground volume, 0 = 1/2 ground volume.
 local BLEND = 64 -- Cave blend distance near YMIN, YMAX
 
diff --git a/init.lua b/init.lua
index 37d9904..cb48f43 100644
--- a/init.lua
+++ b/init.lua
@@ -904,17 +904,17 @@ replace("default:lava_source", "nssb:mornen")
 replace("default:lava_flowing", "nssb:mornen_flowing")
 replace("default:mese_block", "nssb:mornen")
 
---[[minetest.register_ore({
+minetest.register_ore({
    ore_type       = "blob",
    ore            = "air",
    wherein        = "nssb:morentir",
-   clust_scarcity = 6*6*6,
+   clust_scarcity = 8*8*8,
    clust_num_ores = 200,
-   clust_size     = 10,
+   clust_size     = 7,
 	y_min         = -30999,
 	y_max         = -30001,
 })
-
+--[[
 minetest.register_ore({
    ore_type       = "scatter",
    ore            = "air",