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Marcellus Formation: Technology, Economy & Measurement

The Marcellus Formation or the Marcellus Shale is a Middle Devonian age unit of sedimentary rock found in eastern North America. Named for a distinctive outcrop near the village of Marcellus, New York, it extends throughout much of the Appalachian Basin.

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Marcellus Formation topic overview

The analysis highlights Technology, Economy and Measurement as prominent areas in the source structure around Marcellus Formation.

Related topics
294
Source areas
10
Connected nodes
304
Extracted relationships
16
Related term clusters
57
Bridge connections
304

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Geomorphological expression · 39 topics
Economic resources · 37 topics
Description · 36 topics
Interpretation of depositional environment · 35 topics
Stratigraphy · 29 topics
Fossils · 28 topics
Geographic extent · 28 topics
Overview · 27 topics
Engineering issues · 25 topics
Age · 10 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Extent
600 miles (970 km)
Named by
James Hall, 1839
Named for
Marcellus, New York
Other
Slate, limestone, sandstone, tuff
Overlies
Huntersville Chert, Needmore Shale, and Onondaga Formation
Primary
Shale

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Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Description

Geographic extent

Geomorphological expression

Stratigraphy

Fossils

Age

Interpretation of depositional environment

Economic resources

Engineering issues

For the semantics nerds

You can skip this section if you’re here for content ideas and keyword inspiration.

Advanced semantic analysis

How Marcellus Formation connects Entity context

The extracted context around Marcellus Formation shows recurring relationship patterns in the source. For example, Marcellus Formation → 600 miles (970 km) Another extracted example is Marcellus Formation → James Hall, 1839. Use these groups to spot repeated connection types before inspecting the individual relationships.

Marcellus Formation

Top relations

Extent · 1
Marcellus Formation → 600 miles (970 km)
Named by · 1
Marcellus Formation → James Hall, 1839
Named for · 1
Marcellus Formation → Marcellus, New York
Other · 1
Marcellus Formation → Slate, limestone, sandstone, tuff
Overlies · 1
Marcellus Formation → Huntersville Chert, Needmore Shale, and Onondaga Formation
Primary · 1
Marcellus Formation → Shale
Region · 1
Marcellus Formation → Appalachian Basin of eastern North America
Sub-units · 1
Marcellus Formation → See: Named members
Thickness · 1
Marcellus Formation → up to 900 feet (270 m)
Type · 1
Marcellus Formation → Geological formation

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

marcellus shale pennsylvania formation also new limestone beds york shales black eastern west member iron virginia devonian found may bed

Marcellus Formation relationships Subject–Predicate–Object triples

TTTA extracted 16 structured relationships around Marcellus Formation. Examples in this analysis include Marcellus Formation → Extent → 600 miles (970 km) and Marcellus Formation → Named by → James Hall, 1839. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Marcellus FormationExtent600 miles (970 km)1.00infobox
Marcellus FormationNamed byJames Hall, 18391.00infobox
Marcellus FormationNamed forMarcellus, New York1.00infobox
Marcellus FormationOtherSlate, limestone, sandstone, tuff1.00infobox
Marcellus FormationOverliesHuntersville Chert, Needmore Shale, and Onondaga Formation1.00infobox
Marcellus FormationPrimaryShale1.00infobox
Marcellus FormationRegionAppalachian Basin of eastern North America1.00infobox
Marcellus FormationSub-unitsSee: Named members1.00infobox
Marcellus FormationThicknessup to 900 feet (270 m)1.00infobox
Marcellus FormationTypeGeological formation1.00infobox
Marcellus FormationUnderliesMahantango Formation and Skaneatales Formation/Stafford Lime Mbr1.00infobox
Marcellus FormationUnit ofHamilton Group1.00infobox

Related concept clusters Related term clusters

The concept neighborhoods around Marcellus Formation bring nearby vocabulary together. In this analysis, examples include Shale, New and Pennsylvania. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Marcellus Formation
    • Shale
    • New
    • Pennsylvania
    • York
    • Marcellus
    • Eastern
    • Beds
    • Also
    • Onondaga
    • Found
    • West
    • Near
  • marcellus formation
    • Shale
    • New
    • Pennsylvania
    • York
    • Marcellus
    • Also
    • Eastern
    • Beds
    • West
    • Onondaga
    • Devonian
    • Found
  • middle devonian
    • Unit
    • West
    • New
    • Virginia
    • Formation
    • York
    • Named
    • Gas
    • Ash
    • Beds
    • Shales
    • Rock
  • marcellus, new york
    • New
    • York
    • Shale
    • Pennsylvania
    • Central
    • Marcellus
    • West
    • Virginia
    • Eastern
    • Valley
    • Onondaga
    • Beds
  • appalachian
    • Basin
    • Named
    • York
    • Found
    • New
    • Hamilton
    • Unit
    • Central
    • Marcellus
    • Ft
    • Members
    • Near
  • volcanic ash
    • Beds
    • Bed
    • Central
    • Members
    • Devonian
    • Onondaga
    • Rock
    • York
    • Marcellus
    • Named
    • New
    • Gas
  • tioga county, pennsylvania
    • South
    • Ft
    • York
    • Beds
    • Virginia
    • Shale
    • Member
    • West
    • Central
    • Base
    • Iron
    • Black
  • bedford, pennsylvania
    • South
    • Ft
    • York
    • Beds
    • Virginia
    • Shale
    • Member
    • West
    • Central
    • Base
    • Iron
    • Black

Connections between topic areas Semantic bridges

For Marcellus Formation, one of the stronger structural bridges in this analysis connects Marcellus Formation with Geomorphological expression. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Marcellus Formation — Geomorphological expression · splits 265 ⟂ 40
Marcellus Formation — Economic resources · splits 267 ⟂ 38
Marcellus Formation — Description · splits 268 ⟂ 37
Marcellus Formation — Interpretation of depositional environment · splits 269 ⟂ 36
Marcellus Formation — Stratigraphy · splits 275 ⟂ 30
Marcellus Formation — Geographic extent · splits 276 ⟂ 29
Marcellus Formation — Fossils · splits 276 ⟂ 29
Marcellus Formation — Overview · splits 277 ⟂ 28
Marcellus Formation — Engineering issues · splits 279 ⟂ 26
Marcellus Formation — Age · splits 294 ⟂ 11

Map overview Semantic statistics

Marcellus Formation

Nodes305
Edges304
Triples16
Avg. degree1.99
Density0.006557
Components1

Source & methodology

TTTA analyzes the structure around Marcellus Formation to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Technology, Economy & Measurement, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Marcellus Formation · EN edition · Analysis: TopicsToTalkAbout

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