diff --git a/mods/fossils.js b/mods/fossils.js
new file mode 100644
index 00000000..5534b9b2
--- /dev/null
+++ b/mods/fossils.js
@@ -0,0 +1,238 @@
+elements.fossil = {
+    color: ["#bbb3ae","#b4b4b4","#c0c0c0"],
+    behavior: [
+        "XX|XX|XX",
+        "XX|XX|XX",
+        "M2%75|M1|M2%75",
+    ],
+    reactions: {
+        "water": {elem1: "wet_sand", chance: 0.00035},
+        "salt_water": {elem1: "wet_sand", chance: 0.0005},
+        "sugar_water": {elem1: "wet_sand", chance: 0.0004},
+        "seltzer": {elem1: "wet_sand", chance: 0.0004},
+        "dirty_water": {elem1: "wet_sand", chance: 0.0004},
+        "soda": {elem1: "wet_sand", chance: 0.0004},
+        "lichen": {elem1: "dirt", chance: 0.0025},
+        "bone": {elem2: "fossil", chance: 0.000025},
+        "bone_marrow": {elem2: "marrow_fossil", chance: 0.00002},
+        "skull": {elem2: ["human_fossil","human_fossil","fossil"], chance: 0.000025},
+        "wood": {elem2: "petrified_wood", chance: 0.000015},
+        "tree_branch": {elem2: "petrified_wood", chance: 0.000015},
+        "grape": {elem2: "juice", chance: 0.1, color2: "#291824"},
+        "wheat": {elem2: "flour"},
+        "primordial_soup": {elem1: "wet_sand", chance: 0.001}
+    },
+    tempHigh: 950,
+    stateHigh: "magma",
+    category: "life",
+    state: "solid",
+    density: 2600,
+    hardness: 0.55,
+    breakInto: ["rock","gravel","gravel","gravel","sand"],
+};
+
+elements.marrow_fossil = {
+    color: ["#cbb2b3","#c1a8a8","#d0b0b0"],
+    hidden:true,
+    behavior: behaviors.SUPPORTPOWDER,
+    reactions: {
+        "water": {elem1: "wet_sand", chance: 0.00035},
+        "salt_water": {elem1: "wet_sand", chance: 0.0005},
+        "sugar_water": {elem1: "wet_sand", chance: 0.0004},
+        "seltzer": {elem1: "wet_sand", chance: 0.0004},
+        "dirty_water": {elem1: "wet_sand", chance: 0.0004},
+        "soda": {elem1: "wet_sand", chance: 0.0004},
+        "lichen": {elem1: "dirt", chance: 0.0025},
+        "bone": {elem2: "fossil", chance: 0.000025},
+        "bone_marrow": {elem2: "marrow_fossil", chance: 0.00002},
+        "skull": {elem2: ["human_fossil","human_fossil","fossil"], chance: 0.000025},
+        "wood": {elem2: "petrified_wood", chance: 0.000015},
+        "tree_branch": {elem2: "petrified_wood", chance: 0.000015},
+        "grape": {elem2: "juice", chance: 0.1, color2: "#291824"},
+        "wheat": {elem2: "flour"},
+        "primordial_soup": {elem1: "wet_sand", chance: 0.001}
+    },
+    tempHigh: 950,
+    stateHigh: "magma",
+    category: "life",
+    state: "solid",
+    density: 2550,
+    hardness: 0.55,
+    breakInto: ["rock","gravel","gravel","gravel","sand"],
+};
+
+elements.human_fossil = {
+    color: ["#bbb3ae","#b4b4b4","#c0c0c0"],
+    hidden:true,
+    behavior: [
+        "XX|XX|XX",
+        "XX|XX|XX",
+        "M2%50|M1|M2%50",
+    ],
+    reactions: {
+        "water": {elem1: "wet_sand", chance: 0.00035},
+        "salt_water": {elem1: "wet_sand", chance: 0.0005},
+        "sugar_water": {elem1: "wet_sand", chance: 0.0004},
+        "seltzer": {elem1: "wet_sand", chance: 0.0004},
+        "dirty_water": {elem1: "wet_sand", chance: 0.0004},
+        "soda": {elem1: "wet_sand", chance: 0.0004},
+        "lichen": {elem1: "dirt", chance: 0.0025},
+        "bone": {elem2: "fossil", chance: 0.000025},
+        "bone_marrow": {elem2: "marrow_fossil", chance: 0.00002},
+        "skull": {elem2: ["human_fossil","human_fossil","fossil"], chance: 0.000025},
+        "wood": {elem2: "petrified_wood", chance: 0.000015},
+        "tree_branch": {elem2: "petrified_wood", chance: 0.000015},
+        "grape": {elem2: "juice", chance: 0.1, color2: "#291824"},
+        "wheat": {elem2: "flour"},
+        "primordial_soup": {elem1: "wet_sand", chance: 0.001}
+    },
+    tempHigh: 950,
+    stateHigh: "magma",
+    category: "life",
+    state: "solid",
+    density: 2600,
+    hardness: 0.55,
+    breakInto: ["rock","gravel","gravel","gravel","sand"],
+};
+
+elements.petrified_wood = {
+    color: ["#4e4e3e","#464646","#52533a"],
+    hidden:true,
+    behavior: behaviors.STURDYPOWDER,
+    reactions: {
+        "water": {elem1: "wet_sand", chance: 0.00035},
+        "salt_water": {elem1: "wet_sand", chance: 0.0005},
+        "sugar_water": {elem1: "wet_sand", chance: 0.0004},
+        "seltzer": {elem1: "wet_sand", chance: 0.0004},
+        "dirty_water": {elem1: "wet_sand", chance: 0.0004},
+        "soda": {elem1: "wet_sand", chance: 0.0004},
+        "lichen": {elem1: "dirt", chance: 0.0025},
+        "bone": {elem2: "fossil", chance: 0.000025},
+        "bone_marrow": {elem2: "marrow_fossil", chance: 0.00002},
+        "skull": {elem2: ["human_fossil","human_fossil","fossil"], chance: 0.000025},
+        "wood": {elem2: "petrified_wood", chance: 0.000015},
+        "tree_branch": {elem2: "petrified_wood", chance: 0.000015},
+        "grape": {elem2: "juice", chance: 0.1, color2: "#291824"},
+        "wheat": {elem2: "flour"},
+        "primordial_soup": {elem1: "wet_sand", chance: 0.001}
+    },
+    tempHigh: 950,
+    stateHigh: "magma",
+    category: "life",
+    state: "solid",
+    density: 2600,
+    hardness: 0.55,
+    breakInto: ["rock","rock","gravel","gravel","gravel","gravel","gravel","sawdust"],
+};
+
+elements.skull = {
+    color: "#d9d9d9",
+    hidden:true,
+    behavior: behaviors.SUPPORT,
+    reactions: {
+        "water": { elem2:"broth", tempMin:70, color2:"#d7db69" },
+        "salt_water": { elem2:"broth", tempMin:70, color2:"#d7db69" },
+        "sugar_water": { elem2:"broth", tempMin:70, color2:"#d7db69" },
+        "seltzer": { elem2:"broth", tempMin:70, color2:"#d7db69" },
+        "rock": { "elem1": "fossil", chance:0.00005 },
+        "sand": { "elem1": "fossil", chance:0.000035 },
+        "dirt": { "elem1": "fossil", chance:0.00003 },
+        "tuff": { "elem1": "fossil", chance:0.00005 },
+        "basalt": { "elem1": "fossil", chance:0.00004 },
+        "mudstone": { "elem1": "fossil", chance:0.00004 },
+        "packed_sand": { "elem1": "fossil", chance:0.00004 },
+        "gravel": { "elem1": "fossil", chance:0.000035 },
+        "clay": { "elem1": "fossil", chance:0.00003 },
+        "clay_soil": { "elem1": "fossil", chance:0.00003 },
+        "permafrost": { "elem1": "fossil", chance:0.000035 },
+        "mulch": { "elem1": "fossil", chance:0.00003 },
+        "ant_wall": { "elem1": "fossil", chance:0.00002 },
+        "limestone": { "elem1": "fossil", chance:0.00005 },
+        "quicklime": { "elem1": "fossil", chance:0.000045 },
+        "slaked_lime": { "elem1": "fossil", chance:0.000035 },
+    },
+    category:"life",
+    tempHigh: 760,
+    stateHigh: "quicklime",
+    state: "solid",
+    density: 1500,
+    hardness: 0.5,
+    breakInto: ["quicklime","bone","bone","bone_marrow"]
+},
+
+elements.head.breakInto = ["blood","meat","skull"]
+
+if (!elements.bone.reactions) { elements.bone.reactions = {} }
+    elements.bone.reactions.rock = { "elem1": "fossil", chance:0.00005 };
+    elements.bone.reactions.sand = { "elem1": "fossil", chance:0.000035 };
+    elements.bone.reactions.dirt = { "elem1": "fossil", chance:0.00003 };
+    elements.bone.reactions.tuff = { "elem1": "fossil", chance:0.00005 };
+    elements.bone.reactions.basalt = { "elem1": "fossil", chance:0.00004 };
+    elements.bone.reactions.mudstone = { "elem1": "fossil", chance:0.00004 };
+    elements.bone.reactions.packed_sand = { "elem1": "fossil", chance:0.00004 };
+    elements.bone.reactions.gravel = { "elem1": "fossil", chance:0.000035 };
+    elements.bone.reactions.clay = { "elem1": "fossil", chance:0.00003 };
+    elements.bone.reactions.clay_soil = { "elem1": "fossil", chance:0.00003 };
+    elements.bone.reactions.permafrost = { "elem1": "fossil", chance:0.000035 };
+    elements.bone.reactions.mulch = { "elem1": "fossil", chance:0.00003 };
+    elements.bone.reactions.ant_wall = { "elem1": "fossil", chance:0.00002 };
+    elements.bone.reactions.limestone = { "elem1": "fossil", chance:0.00005 };
+    elements.bone.reactions.quicklime = { "elem1": "fossil", chance:0.000045 };
+    elements.bone.reactions.slaked_lime = { "elem1": "fossil", chance:0.000035 };
+
+
+if (!elements.bone_marrow.reactions) { elements.bone_marrow.reactions = {} }
+elements.bone_marrow.reactions.rock = { "elem1": "marrow_fossil", chance:0.00005 };
+elements.bone_marrow.reactions.sand = { "elem1": "marrow_fossil", chance:0.000035 };
+elements.bone_marrow.reactions.dirt = { "elem1": "marrow_fossil", chance:0.00003 };
+elements.bone_marrow.reactions.tuff = { "elem1": "marrow_fossil", chance:0.00005 };
+elements.bone_marrow.reactions.basalt = { "elem1": "marrow_fossil", chance:0.00004 };
+elements.bone_marrow.reactions.mudstone = { "elem1": "marrow_fossil", chance:0.00004 };
+elements.bone_marrow.reactions.packed_sand = { "elem1": "marrow_fossil", chance:0.00004 };
+elements.bone_marrow.reactions.gravel = { "elem1": "marrow_fossil", chance:0.000035 };
+elements.bone_marrow.reactions.clay = { "elem1": "marrow_fossil", chance:0.00003 };
+elements.bone_marrow.reactions.clay_soil = { "elem1": "marrow_fossil", chance:0.00003 };
+elements.bone_marrow.reactions.permafrost = { "elem1": "marrow_fossil", chance:0.000035 };
+elements.bone_marrow.reactions.mulch = { "elem1": "marrow_fossil", chance:0.00003 };
+elements.bone_marrow.reactions.ant_wall = { "elem1": "marrow_fossil", chance:0.00002 };
+elements.bone_marrow.reactions.limestone = { "elem1": "marrow_fossil", chance:0.00005 };
+elements.bone_marrow.reactions.quicklime = { "elem1": "marrow_fossil", chance:0.000045 };
+elements.bone_marrow.reactions.slaked_lime = { "elem1": "marrow_fossil", chance:0.000035 };
+
+
+if (!elements.wood.reactions) { elements.wood.reactions = {} }
+elements.wood.reactions.rock = { "elem1": "petrified_wood", chance:0.0005 };
+elements.wood.reactions.sand = { "elem1": "petrified_wood", chance:0.00035 };
+elements.wood.reactions.dirt = { "elem1": "petrified_wood", chance:0.0003 };
+elements.wood.reactions.tuff = { "elem1": "petrified_wood", chance:0.0005 };
+elements.wood.reactions.basalt = { "elem1": "petrified_wood", chance:0.0004 };
+elements.wood.reactions.mudstone = { "elem1": "petrified_wood", chance:0.0004 };
+elements.wood.reactions.packed_sand = { "elem1": "petrified_wood", chance:0.0004 };
+elements.wood.reactions.gravel = { "elem1": "petrified_wood", chance:0.00035 };
+elements.wood.reactions.clay = { "elem1": "petrified_wood", chance:0.0003 };
+elements.wood.reactions.clay_soil = { "elem1": "petrified_wood", chance:0.0003 };
+elements.wood.reactions.permafrost = { "elem1": "petrified_wood", chance:0.00035 };
+elements.wood.reactions.mulch = { "elem1": "petrified_wood", chance:0.0003 };
+elements.wood.reactions.ant_wall = { "elem1": "petrified_wood", chance:0.0002 };
+elements.wood.reactions.limestone = { "elem1": "petrified_wood", chance:0.0005 };
+elements.wood.reactions.quicklime = { "elem1": "petrified_wood", chance:0.00045 };
+elements.wood.reactions.slaked_lime = { "elem1": "petrified_wood", chance:0.00035 };
+
+
+if (!elements.tree_branch.reactions) { elements.tree_branch.reactions = {} }
+elements.tree_branch.reactions.rock = { "elem1": "petrified_wood", chance:0.0005 };
+elements.tree_branch.reactions.sand = { "elem1": "petrified_wood", chance:0.00035 };
+elements.tree_branch.reactions.dirt = { "elem1": "petrified_wood", chance:0.0003 };
+elements.tree_branch.reactions.tuff = { "elem1": "petrified_wood", chance:0.0005 };
+elements.tree_branch.reactions.basalt = { "elem1": "petrified_wood", chance:0.0004 };
+elements.tree_branch.reactions.mudstone = { "elem1": "petrified_wood", chance:0.0004 };
+elements.tree_branch.reactions.packed_sand = { "elem1": "petrified_wood", chance:0.0004 };
+elements.tree_branch.reactions.gravel = { "elem1": "petrified_wood", chance:0.00035 };
+elements.tree_branch.reactions.clay = { "elem1": "petrified_wood", chance:0.0003 };
+elements.tree_branch.reactions.clay_soil = { "elem1": "petrified_wood", chance:0.0003 };
+elements.tree_branch.reactions.permafrost = { "elem1": "petrified_wood", chance:0.00035 };
+elements.tree_branch.reactions.mulch = { "elem1": "petrified_wood", chance:0.0003 };
+elements.tree_branch.reactions.ant_wall = { "elem1": "petrified_wood", chance:0.0002 };
+elements.tree_branch.reactions.limestone = { "elem1": "petrified_wood", chance:0.0005 };
+elements.tree_branch.reactions.quicklime = { "elem1": "petrified_wood", chance:0.00045 };
+elements.tree_branch.reactions.slaked_lime = { "elem1": "petrified_wood", chance:0.00035 };