Questions tagged [subsurface]

for questions related to modelling of the earth beneath its surface.

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0answers
27 views

3D Geological modelling / grade shells

I have been using the Geoscience plugin to visualize downhole assay and geological data and it works superbly. Is there any software similar or additional to this in which you can link grades / ...
1
vote
1answer
673 views

How to interpolate subsurface geology from borehole data [duplicate]

I have borehole data (x, y, z values for each subsurface measurement, and its associated lithology). I would like to interpolate the borehole data to create 1) interpolated subsurfaces and 2) ...
1
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0answers
480 views

Creating Fence Diagrams from Electromagnetic (EM) Conductance Survey [closed]

I am looking for some help with creating fence diagrams in GIS for Electromagnetic Conductance surveys. I have points along a line that represent sample locations with three different depths (readings)...
12
votes
3answers
8k views

3D geological model from cross sections, preferably using Open Source software

I work with engineering geology, and my workflow includes making many cross sections of a given site, with data from maps, fieldwork (outcrops) and boreholes. What I'm looking for is a way of taking ...
3
votes
3answers
3k views

3D soil profile from borehole information

I wonder what would be the best option if I want to build a 3D soil model in GIS from borehole information? Basically I want to generate several 3D soil layer surfaces. Can everything be done using ...
0
votes
1answer
369 views

What is the difference between `Area_2D`, `Area_3D`, and `Volume` in surface volume calculation? [duplicate]

I want to know the meaning of output text files of surface volume dialog box. For example, the file contains headers and numbers as below: Dataset, Plane_Height, Reference, Z_Factor, Area_2D, Area_3D,...
0
votes
3answers
507 views

cost surface generation

I would like to have guidance on how to generate a cost surface for the data I have. In essence, I got a 1x1 DEM for the territory under study (namely, an island) and I have also digitized the spring-...
5
votes
0answers
730 views

Has anyone used ArcGIS for 'automatically' detecting lineaments from a high-resolution (1m) DEM? [closed]

I have a set of DEM's produced from LIDAR data. I am wondering if anyone is familiar with or knew of any published research papers which looked at (semi-)automatically detecting lineaments /or ...
1
vote
1answer
4k views

2D/3D Area parameter differences in Surface Volume calculation dialog box?

In dialog box of volume surface calculation and also in ASCII file there are 2 out come with names 2D Area and 3D Area. What is difference between these two numbers? What is included in 3D that is not ...
0
votes
1answer
870 views

Extrude Inclined 3D Boreholes

I need to extrude the 3D Borewell data using the inclined angle in ArcScene. I've seen only the options for extruding them in one direction(i.e., perpendicular downwards or upwards). I got point data ...
8
votes
6answers
4k views

3D subsurface modelling

I am a student and initiating a thesis project for MS specialize degree in geophysics. I am working on tectono - stratigraphy of some area and want to do the 3D subsurface modelling of the same area ...
6
votes
5answers
2k views

Does anyone know of a good unaffiliated review of Rockworks?

I've been struggling to find a good software package for drillhole data management, subsurface geology modelling, and visualization (both 2D and 3D): something that can also be used to produce ...