I generated this world with the "Dig Deeper" mod. I haven't explored it much but on embark it has the following:
human/elf trade, orc/goblin sieges
high cliffs
black sand
marble
surface visible magnetite, silver, galena, tetrahedrite, silver, gold, aluminum
magma pipe
cave river (no surface river but some surface pools)
cave pool
chasm
hfs
some woods
Terrifying surroundings with zombie and skeletal wildlife, including undead giant bats, and a first for me at least - skeletal fire imps. (so much for "kill it with fire")
Generation Params
Created in DF v0.28.181.40d.
Dig Deeper mod thread: http://www.bay12games.com/forum/index.php?topic=35736.0
[WORLD_GEN]
[TITLE:HIGH-V MED]
[SEED:3505046409]
[HISTORY_SEED:1386257733]
[NAME_SEED:202709677]
[DIM:129:129]
[END_YEAR:1050]
[BEAST_END_YEAR:300:65]
[REVEAL_ALL_HISTORY:1]
[CULL_HISTORICAL_FIGURES:1]
[ELEVATION:50:400:800:800]
[RAINFALL:0:100:800:800]
[TEMPERATURE:20:70:800:800]
[DRAINAGE:0:100:800:800]
[VOLCANISM:50:100:1600:1600]
[SAVAGERY:25:100:1600:1600]
[ELEVATION_FREQUENCY:1:1:1:1:1:1]
[RAIN_FREQUENCY:1:1:1:1:1:1]
[DRAINAGE_FREQUENCY:1:1:1:1:1:1]
[TEMPERATURE_FREQUENCY:1:1:1:1:1:1]
[SAVAGERY_FREQUENCY:1:1:1:1:1:1]
[VOLCANISM_FREQUENCY:1:1:1:1:1:1]
[GOOD_SQ_COUNTS:100:1000:2000]
[EVIL_SQ_COUNTS:150:1500:3000]
[PEAK_NUMBER_MIN:20]
[OCEAN_EDGE_MIN:1]
[VOLCANO_MIN:35]
[REGION_COUNTS:SWAMP:260:1:1]
[REGION_COUNTS:DESERT:260:1:1]
[REGION_COUNTS:FOREST:1040:3:3]
[REGION_COUNTS:MOUNTAINS:2080:2:2]
[REGION_COUNTS:OCEAN:2080:1:1]
[REGION_COUNTS:GLACIER:0:0:0]
[REGION_COUNTS:TUNDRA:0:0:0]
[REGION_COUNTS:GRASSLAND:2080:3:3]
[REGION_COUNTS:HILLS:2080:3:3]
[EROSION_CYCLE_COUNT:150]
[RIVER_MINS:200:200]
[PERIODICALLY_ERODE_EXTREMES:1]
[OROGRAPHIC_PRECIPITATION:1]
[SUBREGION_MAX:2750]
[CAVE_MIN_SIZE:5]
[CAVE_MAX_SIZE:25]
[MOUNTAIN_CAVE_MIN:150]
[NON_MOUNTAIN_CAVE_MIN:250]
[ALL_CAVES_VISIBLE:1]
[SHOW_EMBARK_RIVER:2]
[SHOW_EMBARK_POOL:2]
[SHOW_EMBARK_M_POOL:2]
[SHOW_EMBARK_M_PIPE:2]
[SHOW_EMBARK_CHASM:2]
[SHOW_EMBARK_PIT:2]
[SHOW_EMBARK_OTHER:2]
[SHOW_EMBARK_TUNNEL:2]
[TOTAL_CIV_NUMBER:45]
[TOTAL_CIV_POPULATION:20000]
[PLAYABLE_CIVILIZATION_REQUIRED:1]
[ELEVATION_RANGES:2080:4160:2080]
[RAIN_RANGES:2080:4160:2080]
[DRAINAGE_RANGES:2080:4160:2080]
[SAVAGERY_RANGES:2080:4160:2080]
[VOLCANISM_RANGES:0:0:1000]
embark location: