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Doc of igneous layer.

This commit is contained in:
Tomáš Brada 2015-04-20 15:47:21 +02:00
parent f4973d1b69
commit b51f854b1c
1 changed files with 37 additions and 7 deletions
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@ -16,6 +16,13 @@ Features
* git clone git://repo.or.cz/rocks.git ([show](http://repo.or.cz/rocks.git/))
* (old) Git clone: [https](https://gitorious.org/mt/rocks.git)
This mod nor minetest_game/default do not define meaningful biomes.
So if you do not want unlimited grassland I suggest installing the
[Paramat's biomesdev mod](https://github.com/paramat/biomesdev) and adding
"rocks?" to depends.txt file inside the biomesdev folder. This is needed,
becouse "rock" overrides the standard biome registration callback to patch
in it's own sedimentary rocks.
Screenshots
-----------
@ -42,13 +49,6 @@ Is implemented by modifiing MGv7 biomes to use rocks's sedimentary rocks.
This means that you need mapgen v7 enabled. I also suggest enabling caves
and dungeons, as they are cool.
This mod nor minetest_game/default however do not define meaningful biomes.
So if you do not want unlimited grassland I suggest installing the
[Paramat's biomesdev mod](https://github.com/paramat/biomesdev) and adding
"rocks?" to depends.txt file inside the biomesdev folder. This is needed,
becouse "rock" overrides the standard biome registration callback to patch
in it's own sedimentary rocks.
Soil is normlly 50-70 cm deep in real life, so I made soil (dirt) only 1
block thick. Under this thin layer of dirt an sedimentary layer is located.
In RL, there is clay and other stuff.
@ -66,3 +66,33 @@ there.
Spawn simillary to coal, but not as large.
The Igenous layer
--------------
Default stone is aliased to basalt, but for some reason the alias is not
working so please treat stone as basalt until I find way to fix it.
Everything below sedimentary and (unimp) metamorphic layer is of igneous origin. Primary rock is basalt. But about half of basalt is replaced by granite. Some smaller fraction (like 20%) is then replaced by diorite and gabbro.
These are the primary rocks, and more should come.
### Mineral distribution
Mineral ore is placed only in nodes of correct rock and only if the region
for the ore is right. These "mineral biomes" can and do overlap and change
every like 100 nodes. Following regions are defined:
| Region | minerals
|---------|----------
| Copper | Chalcopyrite, Malachyte
| Pb/Zn | Sphalerite, Galena
| Iron | Magnetite
### Skarn deposits
Are larg-ish (15-20m) blobs of skarn stone. They spawn only in granite and
limestone. Copper, Lead, Zinc and Iron ores often enrich the skarn stone.
Some deposits may (unimp) contain considerable amounts of Molybenium,
Uranium and Wolfram ores.
Concentration of the minerals is quite high, as to regard the player for
finding a not-so-common skarn vein.