Rock descriptions distractions small

43 5 0
  • Loading ...
1/43 trang

Thông tin tài liệu

Ngày đăng: 30/11/2016, 18:08

Sedimentary Rock Descriptions and Distractions • Description vs Interpretation • Rock Descriptions • Unit Descriptions • Distractions Text: Manual, p 13-16, 77-90; Compton, p 27-31 Rock Descriptions • stratigraphic name • rock type Rock Descriptions • stratigraphic name • rock type • color (Luis Garcia) Rock Descriptions • stratigraphic name • rock type • color • texture Rock Descriptions Texture: Grain Size mm 256 64 0.5 0.25 0.125 0.0625 0.031 0.0156 0.0078 0.0039 ⇓ Phi (φ) -8 -6 -2 -1 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 ⇓ Wentworth Size Class boulder cobble pebble granule very coarse sand coarse sand medium sand fine sand very fine sand coarse silt medium silt fine silt very fine silt clay gravel _ sand _ mud Rock Descriptions Texture: Grain Shape (Roundness) angular grains http://csmres.jmu.edu/geollab/Fichter/SedRx/ well rounded grains Rock Descriptions Texture: Sorting Rock Descriptions Texture: Arrangement imbrication (AGI, 1999) Rock Descriptions Texture Interpretations • energy/environment of deposition • transport history UT AUSTIN Interpretation Rock Descriptions Additional Details for Sandstones: - FMCP:QFR - Clan Name Rock Descriptions Sandstone Clan Names Sedimentary Rock Descriptions and Distractions • Description vs Interpretation • Rock Descriptions • Unit Descriptions • Distractions Text: Manual, p 13-16, 77-90; Compton, p 27-31, 366-367 Unit Descriptions • stratigraphic name • rock types interbedding • brief rock descriptions - percentages thicknesses contacts interbedding • special features - soil and vegetation - topographic expression gradational sharp Unit Descriptions cliff slope bench Sedimentary Rock Descriptions and Distractions • Description vs Interpretation • Rock Descriptions • Unit Descriptions • Distractions Text: Manual, p 13-16, 77-90; Compton, p 27-31, 366-367 Distractions Vegetation Distractions Algae (Luis Garcia) Distractions Lichen Distractions Travertine Distractions Weathering (E McBride) Distractions Colluvium (E McBride) Distractions Float (E McBride) Distractions Dynamite (E McBride) [...]... al., 1972) Rock Descriptions Bedding: Types cross-bedding Rock Descriptions Bedding: Types (AGI, 1999) graded bedding Rock Descriptions Bedding: Thickness Rock Descriptions Bedding: Contacts Rock Descriptions • stratigraphic name • rock type • color • texture • grain composition • porosity • cements • bedding • sedimentary structures Rock Descriptions Sedimentary Structures wave ripples Rock Descriptions. .. fossils Rock Descriptions Fossils Trace Fossils Body Fossils Rock Descriptions Fossils Cretaceous fossils in central Texas http://www.cretaceousfossils.com UT AUSTIN Interpretation Rock Descriptions Additional Details for Sandstones: - FMCP:QFR - Clan Name Rock Descriptions Sandstone Clan Names Sedimentary Rock Descriptions and Distractions • Description vs Interpretation • Rock Descriptions • Unit Descriptions. . .Rock Descriptions • stratigraphic name • rock type • color • texture • grain composition Rock Descriptions • stratigraphic name • rock type • color • texture • grain composition • porosity • cements Rock Descriptions grain porosity cement matrix (M Campbell) Rock Descriptions • name • rock type • color • texture • grain composition • porosity • cements • bedding Rock Descriptions Bedding:... Rock Descriptions Sedimentary Structures burrows Rock Descriptions Sedimentary Structures (AGI, 1999) mudcracks Rock Descriptions • stratigraphic name • rock type • color • texture • grain composition • porosity • cements • bedding • sedimentary structures • bioturbation Rock Descriptions Bioturbation (E McBride) Rock Descriptions • stratigraphic name • rock type • color • texture • grain composition... Unit Descriptions • Distractions Text: Manual, p 13-16, 77-90; Compton, p 27-31, 366-367 Unit Descriptions • stratigraphic name • rock types interbedding • brief rock descriptions - percentages thicknesses contacts interbedding • special features - soil and vegetation - topographic expression gradational sharp Unit Descriptions cliff slope bench Sedimentary Rock Descriptions and Distractions • Description... expression gradational sharp Unit Descriptions cliff slope bench Sedimentary Rock Descriptions and Distractions • Description vs Interpretation • Rock Descriptions • Unit Descriptions • Distractions Text: Manual, p 13-16, 77-90; Compton, p 27-31, 366-367 Distractions Vegetation
- Xem thêm -

Xem thêm: Rock descriptions distractions small , Rock descriptions distractions small , Rock descriptions distractions small

Tài liệu mới đăng

Gợi ý tài liệu liên quan cho bạn

Nạp tiền Tải lên
Đăng ký
Đăng nhập