Western Lapita (3000-2500 BP)

Wikidata ID: Q137529697

Also called 'Middle Lapita'.

Parent ware:

Lapita (3500 - 2300 BP)

Child wares/s:

Late Lapita Solomons (2700 - 1800 BP)

Lapita Santa Cruz and Reef Is (3100 - 2700 BP)

Early Western Lapita (3100 - 2500 BP)

Buka ware (2500 - 2200 BP)

Slides:

WD_35_22

Well sorted and subrounded feldspathic hybrid sand composed of unplacered volcanic sand admixed with more abundant calcareous reef grains.

WD_105_3

Volcanic (Andesitic). Andesitic volcanic sand , moderately well sorted, subrounded volcanic sand, predominantly volcanic rock fragments, mainly microlitic but partly felsitic or glassy, and also including some microcrystalline fragments of hypabyssal igneous rocks plagioclase feldspar, and minor clinopyroxene.

WD_105_4

Andesitic Temper. andesitic volcanic sand , moderately well sorted, subrounded volcanic sand, predominantly volcanic rock fragments, mainly microlitic but partly felsitic or glassy, and also including some microcrystalline fragments of hypabyssal igneous rocks plagioclase feldspar, and minor clinopyroxene

WD_105_6

Volcanic Temper. andesitic volcanic sand , moderately well sorted, subrounded volcanic sand, predominantly volcanic rock fragments, mainly microlitic but partly felsitic or glassy, and also including some microcrystalline fragments of hypabyssal igneous rocks plagioclase feldspar, and minor clinopyroxene

WD_105_7

Dentate-stamped Lapita sherd. Andesitic (lithic) Taumako temper sand. andesitic volcanic sand , moderately well sorted, subrounded volcanic sand, predominantly volcanic rock fragments, mainly microlitic but partly felsitic or glassy, and also including some microcrystalline fragments of hypabyssal igneous rocks plagioclase feldspar, and minor clinopyroxene

WD_105_1

Pyroxene-rich placer sand, placer black sand formed by intensive reworking of volcanic debris.clinopyroxene grains, Plagioclase feldspars and volcanic rock fragments.

WD_105_2

Pyroxene-rich placer sand, placer black sand formed by intensive reworking of volcanic debris.clinopyroxene grains, Plagioclase feldspars and volcanic rock fragments.

WD_105_5

Pyroxene-rich placer sand, placer black sand formed by intensive reworking of volcanic debris.clinopyroxene grains, Plagioclase feldspars and volcanic rock fragments.

WD_91_17

Placer green-brown hornblende, with opaque iron oxides with either feldspars or augite pyroxenes. Microlitics are hyalopilitic.

WD_91_20

Pyroxene, hornblende exotic.

WD_84_3

Volcanic rock fragments dominant. Augitic clinopyroxene,minor opaque iron oxide grains and olivine grains, and rare hornblende grains are also present.

WD_106_5c

Lithic.

WD_84_5

Lithic sand temper.

WD_88_17

Lithic.

WD_88_24

Lithic.

WD_106_5b

Transitional.

WD_106_7c

Transitional.

WD_106_9a

Transitional.

WD_82_18

Transitional placer (35%-60% ferromagnesian grains) sand temper.

WD_84_2

Transitional placer (35%-60% ferromagnesian grains) sand temper.

WD_88_11

Transitional.

WD_82_6

Transitional. Augitic clinopyroxene, minor opaque iron oxide grains and olivine grains, and rare hornblende grains are also present.

WD_106_3

Placer sand.

WD_106_4

Placer sand.

WD_106_5a

Placer sand.

WD_106_6

Placer sand.

WD_106_7a

Placer sand.

WD_106_7b

Placer sand.

WD_106_8a

Placer sand.

WD_106_8b

Placer sand.

WD_106_8c

Placer sand.

WD_106_9c

Placer sand.

WD_82_10

Placer sand.

WD_88_20

Placer sand.

WD_88_7

Placer sand.

WD_84_1

Hybrid lithic sand temper with calcareous grains.

WD_84_7

Hybrid lithic sand temper with ghost vacuoles.

WD_88_14

Hybrid transitional.

WD_82_20

Hybrid transitional placer (35%-60% ferromagnesian grains) sand temper with calcareous grains.

WD_106_9b

Hybrid placer.

WD_88_9

Hybrid placer sand temper with calcareous grains.

WD_82_14

Hybrid placer sand temper with calcareous grains.

WD_57_21

Chrome spinel, orthopyroxene, and serpentinite grains are characteristic of ultramafic detritus.

WD_51_16

Dominantly plagioclase, some pyroxene, partly crystalline volcanic rock fragments, some volcanic glass.

WD_51_17

Feldspar rich.

WD_51_18

Dominantly plagioclase, some pyroxene, partly crystalline volcanic rock fragments, some volcanic glass, some calcareous.

WD_51_14

Pyroxene rich with opaque iron oxides.

WD_51_15

Pyroxene rich with opaque iron oxides.

WD_51_4

Volcanic rock fragments- poorly sorted alluvial sand, microlitic with dark vitric.

WD_51_6

Volcanic rock fragments- poorly sorted alluvial sand, microlitic with dark vitric.

WD_51_8

Volcanic rock fragments- poorly sorted alluvial sand, microlitic with dark vitric.

WD_57_5

Lapita sherd. Plagioclase-rich non-placer. Calcareous grains appear to be reworked limeclasts, rather than modern reef detritus. Stream origin.

WD_57_4

Lapita sherd, beach origin.

WD_43_1

TC66 has a full slide scan available (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Unplacered local sand temper with plagioclase and microlitic/vitric volcanic rock fragments. Plagioclase feldspar, clinopyroxene , and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_42_3

UPLT- Unusually high microlitic/ highest local felsitic lithics.

WD_42_14

Unplacered local sand temper with plagioclase and microlitic/vitric volcanic rock fragments. Plagioclase feldspar , clinopyroxene , and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_42_18

Unplacered local sand temper with plagioclase and microlitic/vitric volcanic rock fragments. Plagioclase feldspar , clinopyroxene , and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_42_21

Unplacered local sand temper with plagioclase and microlitic/vitric volcanic rock fragments. Plagioclase feldspar , clinopyroxene , and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_42_22

Unplacered local sand temper with plagioclase and microlitic/vitric volcanic rock fragments. Plagioclase feldspar , clinopyroxene , and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_42_4

Unplacered local sand temper with plagioclase and microlitic/vitric volcanic rock fragments. Plagioclase feldspar , clinopyroxene , and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_42_5

Unplacered local sand temper with plagioclase and microlitic/vitric volcanic rock fragments. Plagioclase feldspar , clinopyroxene , and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_42_6

Unplacered local sand temper with plagioclase and microlitic/vitric volcanic rock fragments. Plagioclase feldspar , clinopyroxene , and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_42_7

Unplacered local sand temper with plagioclase and microlitic/vitric volcanic rock fragments. Plagioclase feldspar , clinopyroxene , and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_42_9

Unplacered local sand temper with plagioclase and microlitic/vitric volcanic rock fragments. Plagioclase feldspar , clinopyroxene , and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_43_11

Unplacered local sand temper with plagioclase and microlitic/vitric volcanic rock fragments. Plagioclase feldspar , clinopyroxene , and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_44_5

Partially placered local sand temper, with dominant proportion of plagioclase, but significant proportions of clinopyroxene and opaque iron oxides. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_44_7

Partially placered local sand temper, with dominant proportion of plagioclase, but significant proportions of clinopyroxene and opaque iron oxides. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_44_9

Partially placered local sand temper, with dominant proportion of plagioclase, but significant proportions of clinopyroxene and opaque iron oxides. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_47_24

Lapita sherd.

WD_44_14

Hybrid-sand Efate temper. Plagioclase feldspar, clinopyroxene, and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_44_18

Hybrid partially placered sand temper.

WD_44_13

Hybrid-sand Efate temper. Plagioclase feldspar, clinopyroxene, and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_44_15

Hybrid-sand Efate temper. Plagioclase feldspar, clinopyroxene, and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_44_16

Hybrid-sand Efate temper. Plagioclase feldspar, clinopyroxene, and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_45_20

Hybrid-sand Efate temper. Plagioclase feldspar, clinopyroxene, and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_45_1

TC39 has a full slide scan available (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Pyroxenic Efate placer sand temper. Plagioclase feldspar, clinopyroxene, and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_45_10

Pyroxenic Efate placer sand temper. Plagioclase feldspar, clinopyroxene, and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_45_6

Pyroxenic Efate placer sand temper. Plagioclase feldspar, clinopyroxene, and opaque iron oxide grains. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_45_12

Strongly placered stream sand temper with dominant proportion of opaque iron oxides and subequal proportions of plagioclase and vitric volcanic rock fragments. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_45_11

Strongly placered stream sand temper with dominant proportion of opaque iron oxides and subequal proportions of plagioclase and vitric volcanic rock fragments. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_45_13

Strongly placered stream sand temper with dominant proportion of opaque iron oxides and subequal proportions of plagioclase and vitric volcanic rock fragments. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_45_14

Strongly placered stream sand temper with dominant proportion of opaque iron oxides and subequal proportions of plagioclase and vitric volcanic rock fragments. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_45_15

Strongly placered stream sand temper with dominant proportion of opaque iron oxides and subequal proportions of plagioclase and vitric volcanic rock fragments. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_45_23

Strongly placered stream sand temper with dominant proportion of opaque iron oxides and subequal proportions of plagioclase and vitric volcanic rock fragments. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_46_10

Strongly placered stream sand temper with dominant proportion of opaque iron oxides and subequal proportions of plagioclase and vitric volcanic rock fragments. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_46_13

Strongly placered stream sand temper with dominant proportion of opaque iron oxides and subequal proportions of plagioclase and vitric volcanic rock fragments. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_46_22

Strongly placered stream sand temper with dominant proportion of opaque iron oxides and subequal proportions of plagioclase and vitric volcanic rock fragments. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_46_23

Strongly placered stream sand temper with dominant proportion of opaque iron oxides and subequal proportions of plagioclase and vitric volcanic rock fragments. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_46_24

Strongly placered stream sand temper with dominant proportion of opaque iron oxides and subequal proportions of plagioclase and vitric volcanic rock fragments. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_46_25

Strongly placered stream sand temper with dominant proportion of opaque iron oxides and subequal proportions of plagioclase and vitric volcanic rock fragments. Microlitic fragments in which birefringent plagioclase microlites are embedded in tan to brown volcanic glass, felsitic fragments composed of microgranular quartz-feldspar mosaics formed by devitrification of felsic volcanic glass, and vitric or glassy fragments of tan to brown (or red) volcanic glass.

WD_46_4

NCMHT. K feldspar, mica and highest numbers of glaucophane.

WD_46_5

Highest number of metamorphic rock fragments.

WD_46_21

NCMT.

WD_46_3

Quartzose-rich sand temper suggeting New Caledonian origin.

WD_46_15

NCQT.

WD_46_16

NCQT.

WD_46_19

NCQT.

WD_46_12

Hornblende.

WD_46_14

HSET.

WD_46_11

Hornblende.

WD_46_9

NEHT.

WD_53_6

Opaque iron oxide grains, and vitric volcanic rock fragments composed of mafic sideromelane (basaltic glass). The calcareous grains are skeletal and micritic (pelletal) debris of modern reefal origin, and the calcareous aggregates are well sorted sands with textures appropriate for a beach origin.

WD_53_13

Olivine placer sand. Clinopyroxene dominant, but minor orthopyroxene.

ML_1_4

Dominated by calcareous reef debritus. Beach origin. Possibly local. Very few volcanic rock fragments of altered volcanic glass.

ML_1_3

Volcanic opaque-rich placer sand. Lapita sherd.

ML_1_2

Volcanic placer. Medium opaque inclusions. Lapita sherd.

ML_1_6

Felsitic lithic. Andesitic origin from bedrock in the interior of Malakula.

ML_1_5

Limeclast volcanic lithic hybrid.

ML_1_1

Tan glass vitrics with micro vesicular/pumiceous texture. Opaque rich, pink clay. Plagioclase.

WD_101_1

Lapita. Well sorted and rounded calcareous sand. Plagioclase.

WD_101_2

Lapita. well sorted and rounded calcareous sand. Plagioclase.

WD_88_2

Tikopia calcareous.