Global Change Master Directorygsfc-gcmduso@mail.nasa.gov502013-05-24T08:32:44ZGCMD Search: [Paleo_Temporal_Coverage: Chronostratigraphic_Unit/Eon='PHANEROZOIC', Chronostratigraphic_Unit/Era='MESOZOIC', Chronostratigraphic_Unit/Period='CRETACEOUS']http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 56 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDA_AR_GEO_TABARIN_LOCALITIESGeology of new locatilies on Tabarin Peninsula, Northern Antarctic Peninsula-57.01,-62.48,-57.01,-62.48-57.12,-63.51,-57.12,-63.511998-02-01T00:00:00ZT00:00:00Z2013-04-22T04:00:00ZNew outcrops of the Hope Bay Formation and Larsen Basin rocks have been
exposed by the recent ice retreat on Tabarin Peninsula, Northern Antarctic
Peninsula. Quartzose, very low-grade metasedimentary ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_OFR_2004_1013Maps Showing the Stratigraphic Framework of South Carolina's Long Bay from Little River to Winyah Bay-81.0,32.5,-78.5,34.01994-01-01T00:00:00Z1999-12-31T00:00:00Z1999-01-01T00:00:00ZT00:00:00Z2013-01-24T05:00:00ZSouth Carolina's Grand Strand is a heavily populated coastal region that
supports a large tourism industry. Like most densely developed coastal
communities, the potential for property damage and lost ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]dlb_LarsenBasinSedimentary rocks of Larsen basin-58.25,-64.5,-56.5,-63.752013-01-24T05:00:00ZThis dataset consists of: (1) a suite of sedimentary rocks (primarily sandstones, with subordinate mudstones, conglomerates, glauconites and volcanic ashes) collected from Cretaceous through Paleogene ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Ford_RangesStructural data: brittle faults for the Ford Ranges, Marie Byrd Land, Antarctica-160.0,-80.0,-135.0,-75.01998-11-01T00:00:00Z2002-06-30T00:00:00Z2012-08-23T04:00:00ZThe geological data sets for the Ford Ranges of western Marie Byrd
Land include:
- Structural measurements for minor brittle faults, fracture
arrays, and dike arrays
...http://gcmd.gsfc.nasa.gov/getdif.htm?[NOAA-NMMR]gov.noaa.ngdc.G00502NGDC Marine Geology Data Reports-180.0,-90.0,180.0,90.01930-01-01T00:00:00Z1993-05-06T00:00:00Z2011-03-03T05:00:00ZABSTRACT: Geologic data reports available are from academia, government, and foreign sources. Reports may contain one or more of the following types of analyses of sediment or hardrock from the ocean ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KTSeymourCarbon and Oxygen Isotope Variation in Bivalves from Cretaceous and Paleocene of Seymour Island, Antarctica-56.0,-64.0,-56.0,-64.02010-07-09T04:00:00ZData include carbon and oxygen isotopic data from bivalves collected from the
late Cretaceous and Paleogene of Seymour Island. These include bulk sample
analyses averaging multiple years ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]UCR_PMS_AMMONITE_01Ammonite Locations on Seymour Island-56.82,-64.32,-56.71,-64.252010-07-07T04:00:00ZLocation records for fossil ammonite and belemnite finds in the Maastrichtian Lopez de Bertodano Formation, Seymour Island, Antractica, collected by William Zinsmeister. These data are part of the ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]UCR_PMS_AMMONITE_02Campanian-Maastrichtian Ammonite Range Charts-56.82,-64.32,-56.71,-64.252010-07-07T04:00:00ZSummary of published range charts for Campanian and Maastrichtian ammonites from Seymour Island, Antarctica, and world-wide.
The relational database is managed by the CONMAN9 software ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]VertPaleoCretaceous Vertebrate Fossils from the Antarctic Peninsula2010-07-07T04:00:00ZThis data set includes collections of vertebrate fossils, replicas, and their
contextual data. Included within the data set are chondricthyans, teleosts,
reptiles, and avian remains. ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Geochemical_data_Seymour_Island_Antarctic_PeninsulaGeochemical data from the Late Cretaceous of Seymour Island, Antarctic Peninsula57.0,64.3,56.7,64.52007-03-15T00:00:00Z2009-03-14T00:00:00Z2010-07-07T04:00:00ZGeochemical Data from latest Cretaceous and Early Eocene deposits on Seymour Island Antarctic Peninsula. 87Sr/86Sr analysis of bone taken from the skeleton of the Polarornis gregorii, 87Sr/86Sr values ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NBP0209_geophysicsNathaniel B. Palmer 0209 - underway geophysical data163.1,-76.7,-174.6,-43.62002-12-11T00:00:00Z2002-12-31T00:00:00Z2010-07-07T04:00:00ZThis data set contains underway geophysical data collected on a transit cruise
between Lyttelton, New Zealand and McMurdo Base, Antarctic during December of
2002. We collected gravity ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Harry-0408475Uplift and exhumation of the Tranantarctic Mountains -175.0,-85.0,-175.0,-85.02010-07-02T04:00:00ZThis data set is a paper published in Earth and Planetary Science Letters
concerning the mid-Cretaceous through mid-Cenozoic tectonic evolution of west
Antarctica. Follows is the abstract. ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]OPP0003844-JRB-JACVega Island Stratigraphy, Biostratigraphy, and Chronostratigraphy2010-07-02T04:00:00ZAll of the latest Cretaceous dinosaurian and avian specimens have been
recovered from the shallow marine deposits within the James Ross Basin,
northeastern Antarctic Peninsula. The dinosaur ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDA_AR-CRETACEOUS-PALEOGENE_OF_SOUTHERN_PATAGONIA_MAIN_BIOSTRATIGRAPHIC_EVENTSCRETACEOUS-PALEOGENE OF SOUTHERN PATAGONIA: MAIN BIOSTRATIGRAPHIC EVENTS -PICT7-323202009-08-10T04:00:00ZENGLISH
The goal of this Project is to increase the paleobotanical, palynological and biostratigraphic information of the Cretaceous and Paleogene in selected areas of Southern Patagonia, integrating ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDA_AR_PICTA-23-2004-PALAEO-VERTCRETACEOUS - PALEOGENE VERTEBRATES FROM THE JAMES ROSS BASIN, ANTARCTIC PENINSULA: EVOLUTION AND BIOGEOGRAPHY-180.0,-90.0,180.0,-62.832009-06-25T04:00:00ZENGLISH
Latest Cretaceous-Paleogene sedimentary sequences in the James Ross Basin,
Antarctica contains a unique record of marine and terrestrial vertebrates that
documents ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K061_1999_2000_NZ_1Volcanology and sedimentology of the phreatomagmatic eruptive system of the Mawson Formation in Coombs Hills, Victoria Land, Antarctica159.0,-77.0,161.0,-76.51999-11-28T00:00:00Z1999-12-28T00:00:00Z2009-02-13T05:00:00ZThe volcanology and sedimentology of a phreatomagmatic eruptive system in the Coombs Hills, Victoria Land was investigated to determine how magmatism is initiated and evolves during continental rifting. ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NBP0701mggNathaniel Palmer 0701 - underway geophysical data164.3,-77.8,-178.2,-43.72006-12-22T00:00:00Z2007-01-28T00:00:00Z2009-02-02T05:00:00ZThis data set contains underway geophysical data that were collected on NBP0701. The project consisted of a transit from Lyttelon, New Zealnd to the work are off of Cape Adare, Antarctica and then ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Global_PaleogeographyGlobal Paleogeographic Views of Earth History - Late Precambrian to Recent-180.0,-90.0,180.0,90.02009-01-21T05:00:00Z[From Global Paleogeographic Views of Earth History - Late Precambrian
to Recent, by Ronald C. Blakey,
"http://jan.ucc.nau.edu/~rcb7/globaltext2.html"]
The globes presented ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOAA_NCDC_PALEO_1998-027Western Interior Seaway Drilling Project Data-114.0,34.0,-96.0,43.02009-01-21T05:00:00ZThis data set presents the results of a coordinated, multidisciplinary study
of Cretaceous carbonate and clastic rocks in cores collected along an E-W
transect across the old Cretaceous ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NORTH_GULF_MEXICO_OIL_RESERVESAtlas of Northern Gulf of Mexico Gas and Oil Reservoirs-105.0,15.0,-75.0,30.02008-09-22T04:00:00ZThe Atlas of Northern Gulf of Mexico Gas and Oil Reservoirs is a compilation of
geologic and engineering data for over 4,000 reservoirs in the Gulf Coast
region. Data was compiled through a cooperative ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_OFR_2006_1084_EBP_AC_CASubsurface structure of the East Bay Plain ground-water basin: San Francisco Bay to the Hayward fault, Alameda County, California -122.4,37.4,-121.8,38.22008-05-27T04:00:00ZThe area of California between the San Francisco Bay, San Pablo Bay, Santa
Clara Valley, and the Diablo Ranges (East Bay Hills), commonly referred to as
the &East Bay&, contains the East Bay Plain ...http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_413Ocean Drilling Program Participation62.0,-70.0,159.0,-54.01988-09-30T00:00:00Z1995-03-31T00:00:00Z2008-04-10T04:00:00ZThe Ocean Drilling Program (ODP) has been the largest cooperative marine geology program in history. The Australian Antarctic Division contributed to the Australian ODP budget while ODP was drilling ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOAA_NCDC_PALEO_2005-036North Atlantic Cretaceous Calcareous Nannofossil Data -76.38,29.58,-76.38,29.58-76.14,30.6,-76.14,30.62008-03-04T05:00:00ZWell-preserved nannofossil and stable isotope records from the mid-Cretaceous
of ODP Leg 171B (western North Atlantic) indicate cyclical, productivity-based
variations in surface water characteristics, ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOAA_NCDC_PALEO_1999-009Early Cretaceous Tethys Major-Element Data5.68,46.86,15.68,55.412007-08-07T04:00:00ZBreitenbach-XRF-1994.
Major element XRF and Leco Data, all ratios are given as wt% ratios.
Latitude (Paleolatidude) 25N
Longitude (Paleolongitude) unknown
Bathymetry/elevation sub-CCD approx 5000 ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOAA_NCDC_PALEO_95-022North Sea Basin Early Cretaceous Paleoceanography 14.0,54.0,14.0,54.00.0,54.0,0.0,54.090.0,54.0,90.0,54.02007-08-07T04:00:00ZNannofossil assemblages and fine fraction stable isotopes
from 4 localities in the North Sea Basin:
TABLE1
Location: BGS Borehole, North Sea
Latitude: 54o38.919'N
Longitude: 0o14.509'E
TABLE2
Location: ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NBP0304B_geophysicsNathaniel B. Palmer 0304B underway geophysics172.17,-43.613,-156.804,71.33622003-08-21T00:00:00Z2003-10-13T00:00:00Z2007-07-20T04:00:00ZThis data set contains underway geophysical data collected on cruise 0304B
of the Nathaniel B. Palmer. This cruise went from Barrow, Alaska to Lyttelton,
New Zealand via Dutch Harbor, Alaska, Honolulu, ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOAA_NCDC_PALEO_2006-077Cretaceous Seawater Sulfur Isotopic Data -180.0,-90.0,180.0,90.02007-04-16T04:00:00ZThe exogenic sulfur cycle is tightly coupled with the carbon and oxygen cycles,
and therefore a central component of Earth's biogeochemistry. Here we present
a high resolution record of the sulfur ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOAA_NCDC_PALEO_94-031Correlation of Geomagnetic Polarity Time Scales -180.0,-90.0,180.0,90.02007-02-16T05:00:00ZThe files discussed in this dataset relate to a Data and Analysis paper
submitted to Journal of Geophysical Research entitled "The Correlation of
Geomagnetic Polarity Time Scales: An Internet Archive", ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NBP0304_geophysicsNathaniel B. Palmer 0304 geophysics172.717,-43.6121,-157.867,53.48932003-02-07T00:00:00Z2004-05-22T00:00:00Z2006-12-18T05:00:00ZThis data set consists of underway geophysical data from cruise 0304 on the
Nathaniel B. Palmer. This cruise went from Lyttelton, New Zealand to Dutch
Harbor, Alaska, via Honolulu, Hawaii.
The data ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOAA_NCDC_PALEO_2003-034Late Cretaceous and Early Paleogene Nutrient and Paleoproductivity Data -76.23,30.1,-76.23,30.1-76.36,30.05,-76.36,30.05-76.63,29.95,-76.63,29.952006-12-01T05:00:00ZWe evaluate phosphorus (P) and biogenic barium (bio-Ba) as nutrient burial and
export productivity indicators for the Late Cretaceous and early Paleogene,
combining these with calcium carbonate ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOAA_NCDC_PALEO_1999-031Atlantic DSDP Lower Cretaceous Carbonate Geochemistry Data-75.0,0.0,-15.0,65.02006-11-20T05:00:00ZStriking cyclic interbeds of laminated dark-olive to black marlstone and
bioturbated white to light-gray limestone of Neocomian (Early Cretaceous) age,
the Blake-Bahama Formation, have been recovered ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOAA_NCDC_PALEO_2005-084Albian to Eocene Atlantic ODP Leg 207 Foraminiferal Stable Isotope Data -54.35,9.45,-54.35,9.45-54.73,9.43,-54.73,9.43-54.55,9.27,-54.55,9.272006-11-14T05:00:00ZWe report oxygen and carbon stable isotope analyses of foraminifers, primarily
planktonic, sampled at low resolution in the Cretaceous and Paleogene sections
from Sites 1257, 1258, and 1260. Data ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOAA_NCDC_PALEO_2005-085Demerara Rise Cretaceous and Paleogene Mg/Ca Data -54.35,9.27,-54.35,9.452006-11-10T05:00:00ZThe data are Mg/Ca and Al/Ca ratio values determined by inductively coupled
plasma mass spectrometry (ICP-MS)and Mg/Ca values determined by secondary ion
mass spectroscopy (SIMS). The samples are ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOAA_NCDC_PALEO_2006-071Falkland Plateau DSDP511 Cretaceous Foraminiferal Stable Isotope Data-46.97,-51.47,-46.97,-51.472006-11-10T05:00:00ZCarbon and oxygen stable isotope ratios for Cretaceous planktonic and benthic
foraminifera, DSDP Site 511, present location: 51 00.28S, 46 50.30W These
data expand the isotope record published by ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_OFR_2005_1144Huminite Reflectance Measurements of Paleocene and Upper Cretaceous Coals from Borehole Cuttings, Zavala and Dimmit Counties, South Texas-107.31,25.19,-92.85,37.142006-08-29T04:00:00ZThe reflectance of huminite in 19 cuttings samples was determined in support of
ongoing investigations into the coal bed methane potential of subsurface
Paleocene and Upper Cretaceous coals of South ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_OFR_2005_1331_NCRGeologic map of the national parks in the National Capital region, Washington, D.C., Virginia, Maryland, and West Virginia (USGS_OFR_2005_1331)-77.3,38.65,-76.8,39.02006-08-16T04:00:00ZMore than 51,000 acres within the National Capital Region (NCR) are
administered by the National Park Service (NPS). These parks consist of
parkways, trails, statues, monuments, memorials, historic ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDA_AR_GEO_GEOMAP_MARAMBIOGeological Map of Marambio Island (Seymour Island)-56.92,-64.33,-56.57,-64.212000-01-01T00:00:00ZT00:00:00Z2006-06-05T04:00:00ZThe Cretaceous-Paleogene sequence on Seymour Island has been mapped
in terms of four previously named units: the Lopez de Bertodano
Formation (Cretaceous-Paleocene), the Sobral Formation (Paleocene), ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_MAP_MF-2352Geologic map of the Tetilla Peak quadrangle, Santa Fe and Sandoval Counties, New Mexico-106.25,35.5,-106.125,35.6252005-11-03T05:00:00ZThe purpose of this mapping was to determine the bedrock geology that would
control or impact ground-water flow from the Espanola basin into the Santo
Domingo basin. As it is a multi-purpose geologic ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDA_AR_PICTA-17-2004-BIOSTRATIGRAPHY-GG-JRIUPPER APTIAN TO UPPER ALBIAN BIOSTRATIGRAPHY OF THE GUSTAV GROUP. AN INTEGRATED STUDY OF THE SEQUENCE EXPOSED IN THE JAMES ROSS ISLAND, ANTARCTICA-180.0,-90.0,180.0,-62.832005-11-03T05:00:00ZENGLISH
The investigations will be carried out on the cretaceous outcrops (Aptiano
superior-Albiano), Gustav Group, James Ross Island, Antarctic. The
stratigraphic sequence and the fossiliferous ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDA_AR_PICTA-33-2004-UPPER_CRETACEOUS_STRATIGRAPHY_JR_BASINUPPER CRETACEOUS STRATIGRAPHY OF JAMES ROSS BASIN, ANTARCTICA-180.0,-90.0,180.0,-62.832005-11-03T05:00:00ZENGLISH
Establishment of a reference stratigraphic and chronologic framework for the
James Ross Basin on the basis of the distribution of the ammonite faunas.
Sedimentology and paleoenvironments. ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NAVDATThe Western North American Volcanic and Intrusive Rock Database-177.0,15.0,-52.0,73.02005-10-26T04:00:00Z[From NAVDAT Frequently Asked Questions: What is NAVDAT?,
"http://navdat.geo.ku.edu/NavdatHome/FAQ.cfm#WhatIsNAVDAT"]
The NAVDAT project is compiling existing age, chemical, and isotopic data from ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Paleogeography_SW_USPaleogeography of the Southwestern United States-124.3,30.86,-101.43,42.02005-10-25T04:00:00Z[From Paleogeography of the Southwestern US, by Ronald C. Blakey,
"http://jan.ucc.nau.edu/~rcb7/paleogeogwus.html"]
The images presented here show the paleogeography of the SW US from
1.8 billion ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USGS_OFR_2005_1317Compressional and Shear Wave Velocity Versus Depth in the San Francisco Bay Area, California: Rules for USGS Bay Area Velocity Model 05.0.0-128.0,35.0,-118.0,42.02005-09-13T04:00:00ZThis report summarizes and documents empirical compressional wave velocity (Vp)
versus depth relationships for several important rock types in northern
California used in constructing the new USGS ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDA_AR_LATE_CRET-PALEOBiogeographic relationships between northern Antarctic Peninsula and southernmost South America during the Late Cretaceous-Paleogene. Project No. 12 2002 - 2004-180.0,-90.0,180.0,-62.832003-12-01T00:00:00Z2004-12-30T00:00:00Z2005-08-17T04:00:00ZProject: LATE CRETACEOUS PALEOGENE > Biogeographic relationships
between northern Antarctic Peninsula and southernmost South America
during the Late Cretaceous-Paleogene. Project No.12 2002 -2004 ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDA_AR_GEO_GUSTAV_GROUP_JRIBiostratigraphy and Paleontology of the Upper Cretaceous in James Ross Island. Project No. 13 2002-2004-58.25,-63.83,-58.25,-63.832005-07-11T04:00:00ZThe Project finalized in 2004 and will be continued by the Project
PICTA-17-2004 (years 2004-2007)
The project work comprises the study of the Gustav Group exposed
on James Ross Island and consists ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDA_AR_PICTA-29-2004-LAGOS_ROSSGEOLOGY AND PALAEONTOLOGY OF THE JAMES ROSS BASIN-57.6167,-63.9,-57.6167,-63.92005-07-11T04:00:00ZENGLISH
This multidisciplinary project is a continuation of the geological survey of
the James Ross Basin, that for more than 15 years is been performed for some of
the involved scientists. The project ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IAA009Micropaleontology Data for the Larsen Basin from the Instituto Antartico Argentino-90.0,-80.0,-45.0,-60.02005-06-28T04:00:00ZThis micropaleontology data set from the Instituto Antartico Argentino
Antarctic Data Base describes Late Cretaceous-Early Tertiary fossil diatoms
studied in the Larsen Basin.http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDA_AR_GEOL_PALEONTOLOGY_JRBGeology and palaeontology of the James Ross Basin. Project No. 4 2002-2004-57.767,-63.867,-57.767,-63.8672001-12-20T00:00:00Z2004-12-30T00:00:00Z2005-06-16T04:00:00ZThis multidisciplinary project is included in the geological research performed
during the last years on the James Ross Basin, Antarctica, by the IAA-DNA.
According to this a 3 year working plan have ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]PALEOBIOLOGY_DBThe Paleobiology Database-180.0,-60.0,180.0,80.02004-12-13T05:00:00ZThe Paleobiology Database is a public resource for the scientific community. It
has been organized and operated by a multi-disciplinary, multi-institutional,
international group of paleobiological ...http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]01-95_02Geochemestry of basic magmatism on Byers Peninsula, Antarctica-61.13,-62.4,-60.54,-62.341997-01-10T00:00:00Z1997-01-30T00:00:00Z1998-01-07T00:00:00Z1998-01-07T00:00:00Z2004-12-09T05:00:00ZIn this field campaign 59 samples of volcanic and subvolcanic rocks were
collected. Ten of these samples were analyzed via ICP at the Department of
Geology, U. de Chile. The samples are subalkaline ...