INTRODUCTION This cdrom contain metallic and industrial mineral records of mines, prospects, and occurrences in Puerto Rico. The records were compiled for the mineral resource assessment of Puerto Rico and the U.S. Geological Survey's Minerals Resources Data System (MRDS). Also it contains GSSEARCH software which is used to search and retrieve data from this CD-ROM. Each record is composed of 228 fields although every field may not contain data. Some of topics covered in the record are deposit name, location, commodity information, description of deposit, geology of the deposit, amount of production, amount of reserves, amount of potential resources, and references. For a complete list of the fields that may be found in a record, see tech.doc file or a MRDS Application Guide. The GSSEARCH software was developed at the U.S. Geological Survey as an outgrowth of a system to manage geologic bibliographic information. It supports fixed or variable length data and allows for full text searching of specific fields that have indexed. It presents selected records back to the user for perusal in both browse and detail formats. Also the records may be printed or written to a disk file in different formats. If you have any question regarding this CD-ROM, contact Walt Bawiec. (ph#-703-648-6148, fax-703-648-6383, email-wbawiec@rgborafsa.er.usgs.gov). RECNO (RECORD NUMBER) The Record Number is a seven-character alphanumeric code that is unique for each MRDS record. This field is used to uniquely identify the record. REC_TYPE (RECORD TYPE) This field is used to indicate the record type or the general area covered by the record. The valid types are listed below: Code Record Type S Site Record D District Record R Regional Record T Tailings Record CTRY_CODE (COUNTRY CODE) This field is used to report the country code in which the deposite site is located. Below is a list of the country codes and names. CODES AND NAMES FOR COUNTRIES AND OTHER AREAS CODE COUNTRY AF - AFGHANISTAN AL - ALBANIA AG - ALGERIA AQ - AMERICAN SAMOA AN - ANDORRA AO - ANGOLA AV - ANGUILLA AY - ANTARCTICA AC - ANTIGUA AND BARBUDA AR - ARGENTINA AM - ARMENIA AT - ASHMORE AND CARTIER ISLANDS AS - AUSTRALIA AU - AUSTRIA AZ - AZERBAIJAN BF - BAHAMAS BA - BAHRAIN BG - BANGLADESH BB - BARBADOS BE - BELGIUM BH - BELIZE BN - BENIN BD - BERMUDA BT - BHUTAN BL - BOLIVIA BC - BOTSWANA BV - BOUVET ISLAND BR - BRAZIL IO - BRITISH INDIAN OCEAN TERRITORIES VI - BRITISH VIRGIN ISLANDS BX - BRUNEI BU - BULGARIA BM - BURMA BY - BURUNDI BS - BYELARUS CB - CAMBODIA CM - CAMEROON CA - CANADA CV - CAPE VERDE CJ - CAYMAN ISLANDS CT - CENTRAL AFRICAN REPUBLIC CD - CHAD CI - CHILE CH - CHINA KT - CHRISTMAS ISLAND CK - COCOS (KEELING) ISLANDS CO - COLOMBIA CN - COMORO ISLANDS CF - CONGO CW - COOK ISLANDS CS - COSTA RICA CU - CUBA CY - CYPRUS CZ - CZECHOSLOVAKIA DA - DENMARK DJ - DJIBOUTI DO - DOMINICA DR - DOMINICAN REPUBLIC EC - ECUADOR EG - EGYPT ES - EL SALVADOR EK - EQUATORIAL GUINEA EA - ESTONIA ET - ETHIOPIA FA - FALKLAND ISLANDS FO - FAROE ISLANDS FJ - FIJI FI - FINLAND FR - FRANCE FG - FRENCH GUIANA FP - FRENCH POLYNESIA FS - FRENCH SOUTHERN AND ANTARCTIC LANDS GB - GABON GA - GAMBIA GZ - GAZA STRIP GO - GEORGIA GE - GERMANY GH - GHANA GI - GIBRALTAR GR - GREECE GL - GREENLAND GJ - GRENADA GP - GUADELOUPE GQ - GUAM GT - GUATEMALA GV - GUINEA PU - GUINEA-BISSAU GY - GUYANA HA - HAITI HM - HEARD ISLAND AND MCDONALD ISLANDS HO - HONDURAS HK - HONG KONG HU - HUNGARY IC - ICELAND IN - INDIA ID - INDONESIA IR - IRAN IZ - IRAQ IY - IRAQ-SAUDI ARABIA NEUTRAL ZONE EI - IRELAND IS - ISRAEL IT - ITALY IV - IVORY COAST JM - JAMAICA JN - JAN MAYEN JA - JAPAN JQ - JOHNSTON ATOLL JO - JORDAN KZ - KAZAKHSTAN KE - KENYA KU - KUWAIT KY - KYRGYZSTAN LA - LAOS LV - LATVIA LE - LEBANON LT - LESOTHO LI - LIBERIA LI - LIBERTADOR LY - LIBYA LS - LIECHTENSTEIN LH - LITHUANIA LU - LUXEMBOURG MC - MACAU MA - MADAGASCAR ME - MERINO MI - MALAWI MY - MALAYSIA MV - MALDIVES ML - MALI MT - MALTA MB - MARTINIQUE MR - MAURITANIA MP - MAURITIUS MX - MEXICO MQ - MIDWAY ISLANDS MN - MONACO MG - MONGOLIA MH - MONTSERRAT MO - MOROCCO MZ - MOZAMBIQUE WA - NAMIBIA NR - NAURU NP - NEPAL NL - NETHERLANDS NA - NETHERLANDS ANTILLES NC - NEW CALEDONIA NZ - NEW ZEALAND NU - NICARAGUA NG - NIGER NI - NIGERIA NE - NIUE NF - NORFOLK ISLAND KN - NORTH KOREA NO - NORWAY MU - OMAN PK - PAKISTAN PM - PANAMA PP - PAPUA NEW GUINEA PF - PARACEL ISLANDS PA - PARAGUAY PE - PERU RP - PHILIPPINES PC - PITCAIRN ISLANDS PL - POLAND PO - PORTUGAL RQ - PUERTO RICO QA - QATAR RE - REUNION ISLAND RO - ROMANIA RU - RUSSIA RW - RWANDA SM - SAN MARINO TP - SAO TOME AND PRINCIPE SA - SAUDI ARABIA SD - SANTO DOMINGO SG - SENEGAL SE - SEYCHELLES SL - SIERRA LEONE SN - SINGAPORE BP - SOLOMON ISLANDS SO - SOMALIA SF - SOUTH AFRICA KS - SOUTH KOREA SP - SPAIN PG - SPRATLY ISLANDS CE - SRI LANKA (CEYLON) SC - ST. CHRISTOPHER AND NEVIS SH - ST. HELENA ST - ST. LUCIA SB - ST. PIERRE AND MIQUELON VC - ST. VINCENT AND THE GRENADINES SU - SUDAN NS - SURINAM SV - SVALBARD WZ - SWAZILAND SW - SWEDEN SZ - SWITZERLAND SY - SYRIA TW - TAIWAN TJ - TAJIKISTAN TZ - TANZANIA TH - THAILAND TO - TOGO TL - TOKELAU ISLANDS TN - TONGA TD - TRINIDAD AND TOBAGO TR - TRUJILLO NQ - TRUST TERRITORY OF PACIFIC ISLANDS TS - TUNISIA TU - TURKEY TM - TURKMENISTAN TK - TURKS AND CAICOS ISLANDS UG - UGANDA UE - UKRAINE TC - UNITED ARAB EMIRATES UK - UNITED KINGDOM US - UNITED STATES UV - UPPER VOLTA UY - URUGUAY UZ - UZBEKISTAN NH - VANUATU VT - VATICAN CITY VE - VENEZUELA VM - VIETNAM VQ - VIRGIN ISLANDS WQ - WAKE ISLAND WF - WALLIS AND FUTUNA WI - WESTERN SAHARA WS - WESTERN SAMOA YS - YEMEN (ADEN) YE - YEMEN (SANAA) YO - YUGOSLAVIA CG - ZAIRE ZA - ZAMBIA ZI - ZIMBABWE SITE (SITE NAME) This field contain the most recent name/type of the orebody, deposit, mine, occurrence, prospect, claim or group when the site name is known. If the site has no name or it's name is unknown, the term UNNAMED or UNIDENTIFIED may be used. (exp: UNNAMED OR UNNAMED OCCURRENCE). LAT (LATITUDE) This field contain the latitude for the record/deposit. It may be in degrees, minutes and seconds separated by a dash. (Exp: ((10-00-00X), X=N/S)) or it may be in decimal degrees. (Exp: ((10.000 or -10.000), (-)=SOUTH). LONG (LONGITUDE) This field contain the longitude for the record/deposit. It may be in degrees, minutes and seconds separated by a dash. (Exp: ((010-00-00X), X=E/W)) or it may be in decimal degrees. (Exp: ((10.000 or -10.000), (-)=WEST). COMMOD (COMMODITIES PRESENT) This field contain all of the known commodities found at this site in coded form. They are ordered from most important to least important in the following order: Major commodities, Minor commodities, and Trace commodities. Most important can mean the following: coproducts; products of greatest economic significance; products most deliberately produced; the products of primary interest. Below is the list of MRDS valid codes and type codes ((M)etallic, (N)on-metallic, (B)oth). LIST OF COMMODITY NAMES, CODES, AND TYPE CODES CODE NAME TYPE CODE NAME TYPE AL ALUMINUM (GENERAL) M AL1 BAUXITE M AL2 ALUMINUM (OTHER) M AL3 ALUNITE N ALM ALUM N AND ANDALUCITE M AS ARSENIC M ASB ASBESTOS N AU GOLD M B BORON - BORATES N BA BARIUM - BARITE N BE BERYLLIUM M BI BISMUTH M BIT BITUMENS (ASPHALT) N BR BROMINE N BRI BRINES/SALINES N C CARBON N CA CALCIUM N CAR CARBONATES N CD CADMIUM M CE CERIUM M CER CEMENT ROCK (NATURAL) N CHL CHLORITE N CL CHLORINE N CLY CLAY (GENERAL) N CLY1 BENTONITE N CLY2 FULLER'S EARTH N CLY3 KAOLIN N CLY4 BALL CLAY N CLY5 FIRE CLAY (REFRACTORY) N CLY6 BLOATING MATERIAL N CLY7 COMMON BRICK CLAY N CO COBALT M CO2 CARBON DIOXIDE N COA COAL N COA1 ANTHRACITE N COA2 BITUMINOUS COAL N COA3 SUB-BITUMINOUS COAL N COA4 LIGNITE N COLL COLLECTIBLE B COR CORUNDUM N CR CHROMIUM M CS CESIUM M CU COPPER M DIA DIAMOND N DIT DIATOMITE N DOL DOLOMITE (GENERAL) N DOL1 ULTRA PURE DOLOMITE N DOL2 HIGH MAGESIAN DOLOMITE N DY DYSPROSIUM N EMY EMERY N EVA EVAPORITES N F FLUORINE - FLUORITE N FE IRON M FLD FELDSPAR N FLN FLINT N GA GALLIUM M GAR GARNET N GAS GAS (NATURAL) N GE GERMANIUM M GEM GEMSTONES N GEM1 PRECIOUS GEMS N GEM2 SEMI-PRECIOUS GEMS N GEO GEOTHERMAL N GLA GLAUCONITE N GRF GRAPHITE N GRT GRANITE N GYP GYPSUM, ANHYDRITE N HAL HALITE N HE HELIUM N HG MERCURY M I IODINE N IN INDIUM M IR IRIDIUM M K POTASSIUM N KYN KYANITE N LA LANTHANUM M LAT LATERITE M LI LITHIUM B LST LIMESTONE (GENERAL) N LST1 ULTRA PURE LIMESTONE N LST2 HIGH CALCIUM LIMESTONE N LWA LIGHTWEIGHT AGGREGATE N MBL MARBLE N MG MAGNESIUM (BRUCIT) M MGS MAGNESITE N MIC MICA N MIC1 SHEET MICA N MIC2 SCRAP MICA N MIC3 FLAKE MICA N MN MANGANESE M MO MOLYBDENUM M MON MONAZITE M MPG MINERAL PIGMENTS N N NITROGEN - NITRATES N NA SODIUM N NACO SOCIUM CARBONATE N NASO SODIUM SULFATE N NB NIOBIUM (COLUMBIUM) M ND NEODYMIUM N NI NICKEL M OI OSMIRIDIUM(OSMIUM+IRIDIUM) M OIL PETROLEUM (OIL) N OLV OLIVINE N OS OSMIUM M P PHOSPHORUS - PHOSPHATES N PB LEAD M PD PALLADIUM M PEA PEAT N PER PERLITE N PGM PLATINUM GROUP METALS M PT PLATINUM M PUM PUMICE N PYF PYROPHYLLITE N PYR PYRITE N PYR1 PYRRHOTITE N QTZ QUARTZ N RA RADIUM M RAM RADIO-ACTIVE MATERIALS M RB RUBIDIUM M RE RHENIUM M REE RARE EARTHS ELEMENTS M REF REFRACTORY N RH RHODIUM M RU RUTHENIUM M S SULFUR N SAM SAND, MOLDING N SAO OIL SANDS N SAP SAPROLITE N SB ANTIMONY M SC SCANDIUM M SDG SAND AND GRAVEL N SE SELENIUM M SEA SEA WATER N SHL SHALE N SHO OIL SHALE N SIL SILICA N SLA SLATE N SLF SULFURIC ACID N SN TIN M SO4 SULFATES N SR STRONTIUM N SST SANDSTONE N STA STAUROLITE N STN STONE N STN1 CRUSHED/BROKEN STONE N STN2 DIMENSION STONE N STN3 FLAGSTONE N SUL SULFIDES N TA TANTALUM M TE TELLURIUM M TH THORIUM M TI TITANIUM M TL THALLIUM M TLC TALC - SOAPSTONE N TRA TRAVERTINE N U URANIUM M V VANADIUM M VOL VOLCANIC MATERIALS N VRM VERMICULITE N W TUNGSTEN M WOL WOLLASTONITE N YB YTTERBIUM M YT YTTRIUM M ZEO ZEOLITES N ZN ZINC M ZR ZIRCONIUM B MAJOR (MAJOR COMMODITIES) This field contain the commodities that are of primary importance at this site. They are ordered in decreasing order of significance in relation to having been produced at the site. Secondary importance can mean the following: byproduct(s); less abundant product(s); product(s) of some economic significance; product(s) least deliberately produced; the product(s) of least interest. See the COMMOD (COMMODITY PRESENT) help message for the list of MRDS valid commodity codes. PROD (PRODUCTION SIZE) This field is used to indicate the relative amount of production for this site. Below is a list of the valid MRDS production size codes. CODE SIZE N - NO PRODUCTION U - UNKNOWN Y - PRODUCTION SIZE UNKNOWN S - PRODUCTION SIZE SMALL M - PRODUCTION SIZE MEDIUM L - PRODUCTION SIZE LARGE STATUS (DEVELOPMENT STATUS) This field contain information about the status of the deposit in terms of the development activity occurring at the site. It is broken into eight categories. The characteristics of each category are described in terms of the amount of exploration and development work done at the site. Below is a list of the MRDS site development codes, categories, and status. CODE CATEGORIES STATUS 1 OCCURRENCE INACTIVE 2 PROSPECT INACTIVE 3 PROSPECT ACTIVE 4 LITTLE DEVELOPED PRODUCER INACTIVE 5 LITTLE DEVELOPED PRODUCER ACTIVE 6 DEVELOPED PRODUCER INACTIVE 7 DEVELOPED PRODUCER ACTIVE 8 INTERMITTENT PRODUCER ACTIVE or INACTIVE